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.zsh-func
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.zsh-func
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#!/bin/zsh
function \?() {
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
prntenv
#https://www.youtube.com/playlist?list=PLypxmOPCOkHXL8TuVKiDChkTH32MfLr7S
#https://www.youtube.com/watch?v=fDoYwL90WUg&list=PLS1QulWo1RIaJECMeUT4LFwJ-ghgoSH6n&index=8
#https://youtu.be/oYtGrCP_n0k?t=329
#https://www.youtube.com/watch?v=VPInIrd5Hqc#t=35s
#https://www.youtube.com/watch?v=M8Bd7uHH4Yg&feature=youtu.be
#https://codek.tv/v/6MaOPdQPvow
#http://video.ch9.ms/ch9/3306/0e92ae7f-7b06-4a08-a2a0-e80545733306/DefragTools179_high.mp4
#https://video.xx.fbcdn.net/v/t43.1792-2/14018597_941915082602721_1324838905_n.mp4?efg=eyJybHIiOjE1MDAsInJsYSI6MTAyNCwidmVuY29kZV90YWciOiJzdmVfaGQifQ%3D%3D&rl=1500&vabr=588&oh=37f5d4bd4e3b3de99d2f0093c17a69d0&oe=57CBD2F3
#https://www.facebook.com/ehbichig/videos/991876094204055/
#use variables to hold regxprs to avoid: parse error near `&'
#"dl+"(echo "$url" >> dllst for url in "$@") automatically escape ? and = in output file! e.g. https://www.youtube.com/playlist\?list\=PLKK11Ligqitg9MOX3-0tFT1Rmh3uJp7kA
#utvList_regxpr="^https?://(www\.)?youtu\.?be(\.com)?/playlist[\]?\?list[\]?=[-_a-zA-Z0-9]+$"
local utvList_regxpr="^https?://(www\.)?youtu\.?be(\.com)?/playlist\\\\?\?list\\\\?=[-_a-zA-Z0-9]+$"
#utvSingl_regxpr="^https?://(www\.)?youtu\.?be(\.com)?/(watch\?v=)?[-_a-zA-Z0-9]+([\&#]list=[-_.a-zA-Z0-9]+)?([-_.a-zA-Z0-9\&#=]+)*$"
local utvSingl_regxpr="^https?://(www\.)?youtu\.?be(\.com)?/(watch\?v=)?[-_a-zA-Z0-9]+([\&#]list=[-_.a-zA-Z0-9]+)?[-_.a-zA-Z0-9\&#=]*$"
local codek_regxpr="^https?://(www\.)?codek\.tv/v/[-_a-zA-Z0-9]+$"
local knl9_regxpr="^https?://video\.ch9\.ms/[-_a-zA-Z0-9/.]+[-_a-zA-Z0-9.]+$"
local vimeo_regxpr="^https?://(www\.)?vimeo\.com/[-_a-zA-Z0-9]+$"
local facebook_regxpr="^https?://video\.[.a-zA-Z0-9]*fbcdn\.net/v/[-_.a-zA-Z0-9]+/[-_.a-zA-Z0-9]+(mp4|webm|mkv)[-_.a-zA-Z0-9?%=&]*$"
local idx=0
local audiofrmt="(mp3|flac|m4a|opus|aac|wav)"
local videofrmt="(mp4|mkv|webm|mpg|mpeg|m2ts|MTS|CPI|clpi|MPL|mpls|BDM|bdmv|rmvb|avi|dvi|ogg)"
#1 input sanitization
#local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {printf "%s\n", $1}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {print $1}' <<< "$@")
#local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args:['$uniq_args']'
local cmd='sudo find /mnt/0 ~ -xdev -type f \( '
#https://unix.stackexchange.com/questions/275794/iterating-over-multiple-line-string-stored-in-variable
#https://superuser.com/questions/284187/bash-iterating-over-lines-in-a-variable
local str=""
#IFS=' ' read -a str_array <<< "$@" #bad option: -a
#for str in "${str_array[@]}";do #unnecessary because of cmd="\? $urls_whitespaced" && eval " $cmd"
#http://www.refining-linux.org/archives/38/ZSH-Gem-3-No-automatic-word-split/
#https://unix.stackexchange.com/questions/128985/why-not-parse-ls
setopt sh_word_split
setopt SH_WORD_SPLIT
#local IFS='
#'
local IFS=$'\n'
#local IFS=' '
for str in $uniq_args;do
#todo: treat quoted string as single arg e.g. ? "Clean C++"
#for str in $@;do
#trim spaces at both ends
# str="${str##( |\t|\f|\v)}"
# str="${str%%( |\t|\f|\v)}"
# str=$(tr -s "[:blank:]" <<<$str)
str=$(tr -s " \t\f\v" <<< $str)
#https://stackoverflow.com/questions/369758/how-to-trim-whitespace-from-a-bash-variable
str=$(trmsp $str)
echo "input arg after func trmsp() called:[$str]"
if [[ $str =~ $utvList_regxpr ]];then
echo "[$str] match [$utvList_regxpr]"
echo '$'$((++idx)):'['$str']'
echo "playlist (contained) item(s) search is currently not supported!"
continue
elif [[ $str =~ $utvSingl_regxpr ]];then
# echo "[$str] match [$utvSingl_regxpr]"
str="${str##*youtu*be*/}"
str="${str##watch\?v=}"
str="${str%% *}"
elif [[ $str =~ $codek_regxpr ]];then
echo "[$str] match [$codek_regxpr]"
str="${str##*codek.tv/v/}"
elif [[ $str =~ $knl9_regxpr ]];then
echo "[$str] match [$knl9_regxpr]"
str="${str##*video.ch9.ms/[-_a-zA-Z0-9/.]*/}"
elif [[ $str =~ $vimeo_regxpr ]];then
echo "[$str] match [$vimeo_regxpr]"
str="${str##*vimeo.com/}"
elif [[ $str =~ $facebook_regxpr ]];then
echo "[$str] match [$facebook_regxpr]"
# str="${str##*video.*fbcdn.net/v/[-_.a-zA-Z0-9]*/}"
str="${str##*video.*fbcdn.net/v/*/}"
else
echo '$'$((++idx)):'['$str']'
fi
str="${str%&index=*}"
str="${str%&list=*}"
str="${str%&t=*}"
str="${str%%\?*}"
str="${str%%&*}"
str="${str%%#*}"
#replace spaces inside with *
# str="${str// \t\f\v/*}"
str="${str// /*}"
#strip extension except .todo
#https://fileinfo.com/filetypes/common
# str="${str%?\.(mp4|mp3|mkv|mpg|mpeg|webm|m4a|aac|flac|rmvb|avi|opus|dvi|wav)}" #?:non greedy
str="${str%\.audiofrmt}"
str="${str%\.videofrmt}"
cmd+="-iname \"*$str*\" -o "
done
#http://www.refining-linux.org/archives/38/ZSH-Gem-3-No-automatic-word-split/
unsetopt sh_word_split
unsetopt SH_WORD_SPLIT
if [[ $cmd =~ -iname ]];then
cmd=${cmd% -o }
cmd+=' \) -exec ls -alFt {} +'
# cmd+=" \) -exec ls -alFt {} + | gawk -F'.' '{print substr($(NF-1),length($(NF-1))-4)}' > $dnldd_file" #zsh: NF-1: command not found...
echo '$cmd(\?(){}):['$cmd']'
#find $uniq_args in other 'download list files', save only when not downloaded and not listed in other download list files!
local url_NoEscapeBraces="[a-zA-Z0-9]+\.[a-zA-Z0-9]{2,3}/[a-zA-Z0-9]+"
local url_EscapeBraces="[a-zA-Z0-9]+\.[a-zA-Z0-9]\{2,3\}/[a-zA-Z0-9]+"
#todo: jump statement in shell script #unnecessary because of if(... && ...) || (... && ...)
#if [[ $uniq_args =~ $url_NoEscapeBraces ]];then
if ([[ $uniq_args =~ $url_EscapeBraces ]] && echo "match regxpr \`$url_EscapeBraces' in args") || ([[ $uniq_args =~ $url_NoEscapeBraces ]] && echo "match regxpr \`$url_NoEscapeBraces' in args");then
# echo "match regxpr \`$url_NoEscapeBraces' in args"
#todo: save and resume partially downloaded files, e.g. ".part" files
local dnldd_file="/tmp/_downloaded.find_avfiles_"
#todo: hard to extract ideal safe common substr
# eval " $cmd" | gawk -F'.' '{print substr($(NF-1),length($(NF-1))-4)}' > "$dnldd_file"
eval " $cmd" | tee "$dnldd_file" 2>&1
# echo -e 'ID(last 5 char of names\x27 main part) of already downloaded:'
# more "$dnldd_file"
echo '$(echo -n $uniq_args | wc -l)':$(echo -n $uniq_args | wc -l)
echo '$(echo $uniq_args | wc -l)':$(echo $uniq_args | wc -l)
echo '$(wc -l <<< $uniq_args)':$(wc -l <<< $uniq_args)
#https://unix.stackexchange.com/questions/343053/bash-test-wc-with-ge-division-by-0-error/343055
#echo '$(wc -l "$dnldd_file")':$(wc -l "$dnldd_file") #LnNum filename
echo '$(wc -l < "$dnldd_file")':$(wc -l < "$dnldd_file")
if (( $(wc -l < "$dnldd_file") < $(wc -l <<< $uniq_args) ));then
# if (( $(wc -l "$dnldd_file") < $(wc -l <<< $uniq_args) ));then #?:LnNum: division by zero
# if (( $(wc -l "$dnldd_file") < $(echo -n $uniq_args | wc -l) ));then #?:LnNum: division by zero
echo '$(wc -l < "$dnldd_file") < $(wc -l <<< $uniq_args):true'
local dnldd_ID="/tmp/_downloaded_ID.find_avfiles_"
local dllst_file="dllst"
#todo: hard to extract ideal safe common substr, may not work for URLs others than youtube's!
gawk -F'.' '{print substr($(NF-1),length($(NF-1))-4)}' "$dnldd_file" > "$dnldd_ID"
#todo: find other 'download list file', diff and save entries only in $uniq_args
local varNotDnldd=$(command grep -v -F -f "$dnldd_ID" <<< $uniq_args)
if [[ -n ${varNotDnldd// \t\v\n\u3000} ]];then
echo "$varNotDnldd" > /tmp/_not_downloaded.find_avfiles_
echo -e '$(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27):['$(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ')']'
#https://unix.stackexchange.com/questions/386499/how-to-check-if-file-is-empty-or-it-has-only-blank-characters
#command grep -q '[^ \t\v\n\u3000]' $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ') && { #(
local spaces_rexpr='^[ \t\v\n\u3000]*$'
local dllstfiles=$(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -print0) #find ... -print0 | xargs -0 cat
if [[ -n ${dllstfiles// \t\v\n\u3000} ]];then
echo '[[ -n ${dllstfiles// \t\v\n\u3000} ]]:true'
fi
if [[ ! $dllstfiles =~ $spaces_rexpr ]];then
echo '[[ ! $dllstfiles =~ $spaces_rexpr ]]:true'
fi
#if [[ -n $dllstfiles ]] && [[ ! $dllstfiles =~ $spaces_rexpr ]];then
#if [[ -n ${dllstfiles// \t\v\n\u3000} ]];then
if [[ ! $dllstfiles =~ $spaces_rexpr ]];then
#https://stackoverflow.com/questions/864316/how-to-pipe-list-of-files-returned-by-find-command-to-cat-to-view-all-the-files
echo -n $dllstfiles | xargs -0 cat -n | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > /tmp/_not_downloaded_but_listed_in_dllst_files.find_avfiles_
#those not downloaded may already be listded in PWD, so append not overwrite
local varDllstFoundDiff=$(command grep -v -F -f /tmp/_not_downloaded_but_listed_in_dllst_files.find_avfiles_ /tmp/_not_downloaded.find_avfiles_)
#https://www.gnu.org/software/bash/manual/bashref.html#Shell-Parameter-Expansion
#https://unix.stackexchange.com/questions/146942/how-can-i-test-if-a-variable-is-empty-or-contains-only-spaces
if [[ -n ${varDllstFoundDiff// \t\v\n\u3000} ]];then #local spaces_rexpr='^[ \t\v\n\u3000]*$'
if [[ -f $dllst_file ]];then
echo "$varDllstFoundDiff" >> $dllst_file
cat -n $dllst_file | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > /tmp/_unik_dllst_file.find_avfiles_ && command mv -f /tmp/_unik_dllst_file.find_avfiles_ $dllst_file
else
echo -n $varDllstFoundDiff | cat -n | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > $dllst_file
fi
echo -e "download list:file \x22$dllst_file\x22:"
more "$dllst_file"
#https://stackoverflow.com/questions/32126653/how-does-end-work-in-bash-to-create-a-multi-line-comment-block?noredirect=1&lq=1
: <<'HEREDOC:BLOCK_COMMENT'
#command grep -v -F -f /tmp/_tmp2_ <<< $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ') > /tmp/_tmp3_
#command grep -v -F -f /tmp/_tmp2_ $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ') > /tmp/_tmp3_
#1 #erroneous: file name interpreted as literal string
echo 'eval $(command grep -v -F -f /tmp/_tmp2_ <<< $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27) > /tmp/_tmp31_) : /tmp/_tmp31_ :'
eval $(command grep -v -F -f /tmp/_tmp2_ <<< $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ') > /tmp/_tmp31_)
echo "[$(more /tmp/_tmp31_)]"
#2
echo 'eval $(command grep -v -F -f /tmp/_tmp2_ $(trmsp $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27)) > /tmp/_tmp32_) : /tmp/_tmp32_ :'
eval $(command grep -v -F -f /tmp/_tmp2_ $(trmsp $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ')) > /tmp/_tmp32_)
echo "[$(more /tmp/_tmp32_)]"
#3 #erroneous: file name interpreted as literal string
echo 'eval command grep -v -F -f /tmp/_tmp2_ <<< $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27) > /tmp/_tmp33_ : /tmp/_tmp33_ :'
eval command grep -v -F -f /tmp/_tmp2_ <<< $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ') > /tmp/_tmp33_
echo "[$(more /tmp/_tmp33_)]"
#4
echo 'eval command grep -v -F -f /tmp/_tmp2_ $(trmsp $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27)) > /tmp/_tmp34_ : /tmp/_tmp34_ :'
eval command grep -v -F -f /tmp/_tmp2_ $(trmsp $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf '%p ')) > /tmp/_tmp34_
echo "[$(more /tmp/_tmp34_)]"
#find: paths must precede expression: x27
#Usage: find [-H] [-L] [-P] [-Olevel] [-D help|tree|search|stat|rates|opt|exec] [path...] [expression]
#echo 'eval $(echo -en $(trmsp $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27)) | command grep -v -F -f /tmp/_tmp2_ > /tmp/_tmp3_) : /tmp/_tmp3_ :'
#eval $(echo -en $(trmsp $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file -printf \x27%p \x27)) | command grep -v -F -f /tmp/_tmp2_ > /tmp/_tmp3_)
#more /tmp/_tmp3_
#https://unix.stackexchange.com/questions/386499/how-to-check-if-file-is-empty-or-it-has-only-blank-characters
command grep -q '[^ \t\v\n\u3000]' /tmp/_tmp34_ && (
#command mv -f /tmp/_tmp34_ "$dllst_file"
#command cp -i /tmp/_tmp34_ "$dllst_file"
#cat /tmp/_tmp34_ >> "$dllst_file"
)
HEREDOC:BLOCK_COMMENT
fi
else
#unnecessary because gotten from $uniq_args
#cat -n /tmp/_not_downloaded.find_avfiles_ | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > "$dllst_file"
command mv -f /tmp/_not_downloaded.find_avfiles_ "$dllst_file"
echo -e "download list:file \x22$dllst_file\x22:"
more "$dllst_file"
fi
#} #)
fi
fi
else
echo '$cmd(\?(){}):['$cmd']'
#http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#eval
#The eval utility shall construct a command by concatenating arguments together, separating each with a <space> character. The constructed command shall be read and executed by the shell.
#SYNOPSIS:eval [argument...]
#Since eval is not required to recognize the "--" end of options delimiter, in cases where the argument(s) to eval might begin with '-' it is recommended that the first argument is prefixed by a string that will not alter the commands to be executed, such as a <space> character:
#eval " $commands"
#or:
#eval " $(some_command)"
eval " $cmd"
fi
echo '$?':$?
else
return 113 #can't be passed on to outer/upper levels!
fi
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
}
function dnldck() {
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
local urls_whitespaced=""
local errmsg="[fF]ind.*[pP]ermission[s ]*[dD]enied" #use variable to hold complex regxpr!
local dllst_file="dllst"
while getopts "t" opt; do
case "$opt" in
t) dllst_file="dllst*";;
\?) # unknown flag
#echo >&2 \
echo "usage: $0 [-t]"
return 1;;
*) echo "default case of getopts, nothing special.";;
esac
done
shift $((OPTIND-1))
#Note: For those dealing with CJK text (Chinese, Japanese, and Korean), the double-byte space (Unicode \u3000) is not included in \s for any implementation I've tried so far (Perl, .NET, PCRE, Python). You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000].
#https://stackoverflow.com/questions/3583111/regular-expression-find-spaces-tabs-space-but-not-newlines
local blankline_rexpr="^[ \t\v\u3000]*$"
local file=""
for file in $(sudo find /mnt/0 ~ -xdev -type f -iname $dllst_file);do
# if [[ ! ( $file =~ [fF]ind.*[pP]ermission[s ]*[dD]enied ) ]];then #error: condition expected: $file #stderr inaccessible this way!
if [[ ! $file =~ $errmsg && -f $file ]];then #stderr inaccessible this way!
cat -n $file | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > _tmp.dnldck_ && command mv -f _tmp.dnldck_ $file
echo $file:
more $file
#while read -r line;do
# if [[ ! $line =~ $blankline_rexpr ]];then
# urls_whitespaced+="\"$line\" " #urls_whitespaced+=("$line"+" ")?
# #urls_whitespaced+="$line " #urls_whitespaced+=("$line"+" ")?
# fi
#done < "$file"
#echo '$urls_whitespaced:['$urls_whitespaced']'
#IFS=' ' read -a urls_whitespaced_arr <<<"$urls_whitespaced" #bad option: -a
#\? "$urls_whitespaced_arr" #wrong!
#\? $urls_whitespaced #wrong!
#cmd="\? $urls_whitespaced"
#cmd="\? $(gawk -v quot="'" '!seen[toupper($0)]++ {printf "%s%s%s ", quot, $0, quot} END {print ""}' $file)"
local cmd="\? $(gawk -v quot="'" '!seen[$0]++ {printf "%s%s%s ", quot, $0, quot}' $file)"
#https://unix.stackexchange.com/questions/102008/how-do-i-trim-leading-and-trailing-whitespace-from-each-line-of-some-output
#shopt -s extglob #setopt: no such option: extglob
#cmd=${cmd##+([[:space:]])}
#cmd=${cmd%%+([[:space:]])}
cmd=${cmd##[[:space:]]}
cmd=${cmd%%[[:space:]]}
echo 'cmd(dnldck(){}):['$cmd']'
eval " $cmd"
# urls_whitespaced=""
fi
done
echo '$?':$?
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
}
#append to todo file
function +() {
if (($# > 0));then
#Don't quote args
#WARNING: The url doesn't specify the protocol, trying with http
#[generic] watch?v=B2XtqVZcSdM': Requesting header
#WARNING: Could not send HEAD request to http://'https://www.youtube.com/watch?v=B2XtqVZcSdM': <urlopen error [Errno -2] Name or service not known>
#[generic] watch?v=B2XtqVZcSdM': Downloading webpage
#ERROR: Unable to download webpage: <urlopen error [Errno -2] Name or service not known> (caused by URLError(gaierror(-2, 'Name or service not known'),))
#local uniq_args=$(gawk -v quot="'" 'BEGIN {RS=ORS="\n"} !seen[$0]++ {printf "%s%s%s\n", quot, $0, quot}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1} END {print "\n"}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
local outfile="/mnt/0/gthb/note/.todo"
echo 'outfile:['$outfile']'
echo "$uniq_args" >> "$outfile"
#https://unix.stackexchange.com/questions/194780/remove-duplicate-lines-while-keeping-the-order-of-the-lines
cat -n < "$outfile" | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > _tmp.todo_ && command mv -f _tmp.todo_ "$outfile"
echo '$?':$?
fi
}
#append to youtube download file
function dl+() {
if (($# > 0));then
local dllst_file="dllst"
#Don't quote args
#WARNING: The url doesn't specify the protocol, trying with http
#[generic] watch?v=B2XtqVZcSdM': Requesting header
#WARNING: Could not send HEAD request to http://'https://www.youtube.com/watch?v=B2XtqVZcSdM': <urlopen error [Errno -2] Name or service not known>
#[generic] watch?v=B2XtqVZcSdM': Downloading webpage
#ERROR: Unable to download webpage: <urlopen error [Errno -2] Name or service not known> (caused by URLError(gaierror(-2, 'Name or service not known'),))
#local uniq_args=$(gawk -v quot="'" 'BEGIN {RS=" "} !seen[toupper($1)]++ {printf "%s%s%s\n", quot, $1, quot} END {print ""}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
if [[ -f $dllst_file ]];then
# gawk '!seen[toupper($0)]++{exit 1}' $dllst_file || (
# echo 'dl+(){} found duplicate lines, remove duplicates now.'
# gawk '!seen[toupper($0)]++' $dllst_file > _tmp.dnld_append_ && command mv -f _tmp.dnld_append_ $dllst_file
# )
cat -n <<< $uniq_args | sort -k2 -k1n | uniq -f1 | sort -nk1,1 | cut -f2- > _tmp.dnld_append_ && command mv -f _tmp.dnld_append_ $dllst_file
#https://unix.stackexchange.com/questions/194780/remove-duplicate-lines-while-keeping-the-order-of-the-lines
#https://unix.stackexchange.com/questions/39291/run-a-command-that-is-shadowed-by-an-alias
# local IFS=$'\n'
# local url=""
# for url in "$uniq_args";do
# # url="${url%&list=*}"
# # url="${url%&index=*}"
# command grep -F "$url" $dllst_file || echo "$url" >> $dllst_file
# #command grep -qF "$url" $dllst_file || echo "$url" >> $dllst_file
# done
#https://stackoverflow.com/questions/46408707/fastest-way-appending-a-line-to-a-file-only-if-it-does-not-already-exist
# gawk 'FNR==NR {uniq_args[$0]; next}
# $0 in uniq_args{delete uniq_args[$0]}
# 1
# END{for (line in uniq_args) print line >> FILENAME}' <<< $uniq_args $dllst_file
else
# gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[toupper($1)]++ {printf "%s%s%s\n", quot, $1, quot}' <<< $uniq_args >> $dllst_file
gawk 'BEGIN {RS=ORS="\n"} !seen[$0]++ {print $0}' <<< "$uniq_args" >> $dllst_file #already quoted in $uniq_args
fi
# gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[toupper($1)]++ {printf "%s%s%s\n", quot, $1, quot}' <<< "$@" >> $dllst_file
# gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[toupper($0)]++{printf "%s%s%s\n", quot, $0, quot}' <<< "$@" >> $dllst_file #last line won't be appended with spaces, so always unique, hence faulty!
# gawk 'BEGIN {IRS=" ";ORS="\n"} !seen[toupper($0)]++ END {print ""}' <<< "$@" >> $dllst_file
# ^ syntax error
echo '$?':$?
fi
}
function 0() {
if (($# > 0));then
#$(gawk -v quot="'" 'BEGIN {RS=" "} !seen[$1]++ {print quot$1quot}' <<< "$@")
local uniq_args=$(gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {printf "%s%s%s\n", quot, $1, quot}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
local IFS=$'\n'
local file=""
for file in "$uniq_args";do
if [[ -f $file ]];then
command mv -f "$file" "$file.bk"
echo -n > "$file"
fi
done
echo '$?':$?
fi
}
function utlsfrm() {
if (($# > 0));then
# local uniq_args=$(gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[toupper($1)]++ {printf "%s%s%s\n", quot, $1, quot} END {print ""}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
setopt sh_word_split
setopt SH_WORD_SPLIT
local IFS=$'\n'
local url=""
for url in "$uniq_args";do
youtube-dl --youtube-skip-dash-manifest --prefer-ffmpeg --list-formats $url
done
unsetopt sh_word_split
unsetopt SH_WORD_SPLIT
# youtube-dl --youtube-skip-dash-manifest --list-formats $uniq_args #only first arg get handled
echo '$?':$?
fi
}
function dprx() {
if (($# > 0));then
local uniq_args=$(gawk -v quot="\"" 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {printf "%s%s%s\n", quot, $1, quot}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
setopt sh_word_split
setopt SH_WORD_SPLIT
local arg=""
local IFS=$'\n'
for arg in "$uniq_args";do
#if [[ $arg =~ ^(http|HTTP)s?$ ]];then
if [[ $arg =~ (http|HTTP)s? ]];then
echo '$arg:['$arg'] hit regex =~ (http|HTTP)[s]?'
unset http_proxy
unset HTTP_PROXY
#elif [[ $arg =~ ^(ftp|FTP)$ ]];then
elif [[ $arg =~ (ftp|FTP) ]];then
echo '$arg:['$arg'] hit =~ (ftp|FTP)'
unset ftp_proxy
unset FTP_PROXY
#elif [[ $arg =~ ^(sock|SOCK).*$ ]];then
elif [[ $arg =~ (sock|SOCK).* ]];then
echo '$arg:['$arg'] hit =~ (sock|SOCK).*'
unset socks_proxy
unset SOCKS_PROXY
else
echo '$arg:['$arg'] unrecognized protocol!'
fi
done
unsetopt sh_word_split
unsetopt SH_WORD_SPLIT
fi
prprx
}
function prprx() {
echo "http_proxy:[$http_proxy]"
echo "https_proxy:[$https_proxy]"
echo "ftp_proxy:[$ftp_proxy]"
echo "socks_proxy:[$socks_proxy]"
echo "no_proxy:[$no_proxy]"
echo "HTTP_PROXY:[$HTTP_PROXY]"
echo "HTTPS_PROXY:[$HTTPS_PROXY]"
echo "FTP_PROXY:[$FTP_PROXY]"
echo "SOCKS_PROXY:[$SOCKS_PROXY]"
echo "NO_PROXY:[$NO_PROXY]"
}
function klnsys() {
sudo find /var/cache/PackageKit/ -name '*.rpm' -execdir rm {} + #probably Fedora only
rm -rf ~/.Trash ~/.thumbnails ~/.Thumbnails ~/.local/share/Trash ~/.local/share/trash
#sudo dnf autoremove #many times faultily prompt to remove kernel-modules-extra which will be reinstalled on next system upgrade!
#sudo apt autoremove -y; sudo apt autoclean; sudo apt clean
#E: encountered a section with no package: header
#E: problem with Mergelist/var/lib/apt/lists
#sudo rm -Rf /var/lib/apt/lists/* -vf
echo '$?':$?
}
function upgrlog() {
#todo:
#⓪ display systemd upgrade cmd/script log: failed to get non-admin user and root systemd service to run OS update cmd/script while SELinux is enforced!
#① display cron job upgrade cmd/script log: unfavorable and inflexible because system login event is undeterministic!
if [[ -f /var/log/sys_upgrade.log ]];then
less /var/log/sys_upgrade.log
elif [[ -f /var/log/youtube-dl_upgrade.log ]];then
less /var/log/youtube-dl_upgrade.log
fi
}
function vln() {
local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
#todo: window position setting (minimize or maximize) based on file type or pass as args together with playback speed
local audio_only_flg=""
local wndw_pos=""
local audiofrmt="(mp3|flac|m4a|opus|aac|wav)"
local videofrmt="(mp4|mkv|webm|mpg|mpeg|m2ts|MTS|CPI|clpi|MPL|mpls|BDM|bdmv|rmvb|avi|dvi|ogg)"
#if [[ $* =~ mp3\|flac\|aac\|wav ]];then
if [[ $* =~ $audiofrmt ]];then
audio_only_flg="--qt-start-minimized"
echo "hit [[ $* =~ $audiofrmt ]]"
#elif [[ $* =~ mp4\|mkv\|webm\|mpg\|avi ]];then
elif [[ $* =~ $videofrmt ]];then
#wndw_pos="--video-x 0 --video-y 0" #place VLC in top left corner
echo "hit [[ $* =~ $videofrmt ]]"
#todo: return immediately when hit non-av file
#else
# echo "error: invalid input files, please specify valid media files, and try again."
# return 113
fi
nohup vlc --no-metadata-network-access --rate 1.3 --qt-start-minimized $uniq_args &> /dev/null & disown
#nohup vlc --no-metadata-network-access --rate 1.5 "$audio_only_flg" "$wndw_pos" $uniq_args &> /dev/null & disown
}
function vlopt() {
vlc --longhelp --advanced | less
}
function utup() {
setopt nocasematch
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
local return_code=113
local out_msg="error"
local err_counter=0
while (($return_code != 0)) || [[ $out_msg =~ error* ]];do #1.ERROR: can't find the current version. Please try again later. 2.Updating to version 2016.08.22 ...\nERROR: unable to download latest version (for error 2,better to detect network connection and return if connection lost)
#while (($return_code <> 0)) || [[ $out_msg =~ error ]];do #bad math expression: operand expected at `> 0'
if ((err_counter++ > 9));then
return 113
fi
out_msg=$(sudo youtube-dl -U)
return_code=$?
echo "err_counter:$err_counter"
echo 'regxpr:$match:['$match'],$MATCH:['$MATCH']'
echo "youtube-dl -U:RC:$return_code"
echo "youtube-dl -U:output message:$out_msg"
done
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
}
function fx() {
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
nohup firefox --ssl-version-min=tls1.1 -private $uniq_args &> /dev/null & disown
}
function krm() {
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
nohup google-chrome-stable --ssl-version-min=tls1.1 https://medium.com/@abhimuralidharan/functional-swift-all-about-closures-310bc8af31dd https://medium.com/@abhimuralidharan/higher-order-functions-in-swift-filter-map-reduce-flatmap-1837646a63e8 https://medium.com/@Dougly/higher-order-functions-in-swift-sorted-map-filter-reduce-dff60b5b6adf https://encrypted.google.com/search\?hl=en\&as_q=c%2B%2B+17+parse+command+line+arguments+as+float https://github.com/fffaraz/awesome-cpp https://gist.github.com/TSiege/cbb0507082bb18ff7e4b https://github.com/tommybennett/algorithm-mnemonics/blob/master/algorithm_mnemonics.xml https://encrypted.google.com/search\?hl=en\&q=c%2B%2B+input+sanitization https://encrypted.google.com/search\?hl=en\&q=c%2B%2B+macro https://github.com/ben-strasser/fast-cpp-csv-parser https://www.rosettacode.org/wiki/Web_scraping http://www.bfilipek.com/2014/12/top-5-beautiful-c-std-algorithms.html https://channel9.msdn.com/Events/GoingNative/2013/Cpp-Seasoning $uniq_args &> /dev/null & disown
# https://www.youtube.com/watch\?v=dN_gQYo9Uf8 https://www.youtube.com/watch\?v=5dJSZLmDsxk https://www.youtube.com/watch\?v=i-xqRDwpilM https://www.youtube.com/watch\?v=Az0J2UHbNCI https://www.youtube.com/watch\?v=WDn-htpBlnU
#https://encrypted.google.com/search\?hl=en\&as_q=bash+zsh+hashset+hashmap https://unix.stackexchange.com/questions/48505/how-to-make-sure-only-one-instance-of-a-bash-script-runs https://isocpp.org/faq https://encrypted.google.com/search\?hl=en\&as_q=python+3+book https://stackoverflow.com/questions/16807011/python-how-to-identify-if-a-variable-is-an-array-or-a-scalar http://bisqwit.iki.fi/ http://docs.python-guide.org/en/latest http://python-future.org/what_else.html#what-else https://dzone.com/articles/writing-a-web-service-using-python-flask https://www.reddit.com/r/learnpython/comments/264ffw/what_is_the_pythonic_way_of_storing_credentials https://docs.python.org/3/library/email.examples.html https://docs.python.org/2/library/email-examples.html https://stackoverflow.com/questions/34668240/email-an-attachment-with-non-ascii-filename-with-python-email https://developers.google.com/gmail/api/guides/sending https://encrypted.google.com/search\?hl=en\&as_q=programming+loop+unroll https://en.wikipedia.org/wiki/Loop_unrolling
#nohup google-chrome-stable --ssl-version-min=tls1.1 http://www.thechessdrum.net/chessacademy/index.html http://www.thechessdrum.net/65thSquare/65_janfeb04.html http://www.cppsamples.com http://docs.python-guide.org/en/latest https://github.com/line/line-bot-sdk-python http://python-future.org/automatic_conversion.html http://python-future.org/compatible_idioms.html#compatible-idioms http://python-future.org/what_else.html#what-else https://dzone.com/articles/writing-a-web-service-using-python-flask "$@" &> /dev/null & disown
}
function s0() {
if ((0 < $#));then
#local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {print $1}' <<< "$@")
#https://stackoverflow.com/questions/15108229/how-to-count-number-of-words-from-string-using-shell
#https://stackoverflow.com/questions/1469849/how-to-split-one-string-into-multiple-strings-separated-by-at-least-one-space-in
#https://stackoverflow.com/questions/1975849/how-to-split-a-line-into-words-separated-by-one-or-more-spaces-in-bash
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
echo '${uniq_args[@]}:['${uniq_args[@]}']'
echo '$uniq_args[@]:['$uniq_args[@]']'
echo '${#uniq_args[@]}:['${#uniq_args[@]}']'
echo '${uniq_args[@]:-1}:['${uniq_args[@]:-1}']'
echo '$#':$#
echo '$0:['$0']'
local noNumber_rexpr="^[^0-9]*$"
#https://stackoverflow.com/questions/1975849/how-to-split-a-line-into-words-separated-by-one-or-more-spaces-in-bash
#use for value in "${var[@]}" in this context instead of an index variable. While in this case the array may be contiguous, Bash supports sparse arrays and ${#var[@]} may not be the last entry (although ${var[@]: -1} will be and indices=(${!a[@]}); count=${#indices[@]} will give the list of indices and the correct count)
#local i=${#uniq_args[@]} #wrong! 90 -> [9] [0] -> take 0 and shutdown immediately!
#local i=$#
#for ((; 0 < i; --i));do
#todo: Failed to parse time specification: 99 50 a
#http://www.refining-linux.org/archives/38/ZSH-Gem-3-No-automatic-word-split/
setopt sh_word_split
setopt SH_WORD_SPLIT
#local IFS=' '
local IFS=$'\n'
#todo: backward for-each
for tm in $uniq_args;do
#if [[ $i =~ [0-9]+ ]];then
if [[ ! $tm =~ $noNumber_rexpr ]];then
#echo 'sudo shutdown -P -f ${uniq_args[i]}:['${uniq_args[i]}']'
#sudo shutdown -P -f ${uniq_args[i]}
#echo 'sudo shutdown -P -f $i:['$i']'
#sudo shutdown -P -f $i
echo 'sudo shutdown -P -f $tm:['$tm']'
sudo shutdown -P -f $tm
break
fi
done
unsetopt sh_word_split
unsetopt SH_WORD_SPLIT
else
sudo shutdown -P -f 0
fi
}
function ss() {
#trap on EXIT, that way, time(s) will be called whenever the shell exits and the exit status will be preserved.
#http://unix.stackexchange.com/questions/52313/how-to-get-execution-time-of-a-script-effectively
trap time EXIT
echo «$(\date +"%Y%m%d %H%M%S.%N%::z%Z %A")»
#todo: detect OS
#sudo apt update && sudo apt upgrade -y
#Skipping packages with conflicts: (add '--best --allowerasing' to command line to force their upgrade)
sudo dnf upgrade --best --allowerasing -y
upgrade_oh_my_zsh
echo '$?':$?
#youtube-dl upgrade
utup
echo '$?':$?
}
function detectOS() {
#todo: detect OS(Ubuntu, Debian, Mint, kali, RHEL, Centos, Fedora, Suse, etc.)
#https://github.com/dmytro/sherlock_os/blob/master/bin/sherlock
#https://danielgibbs.co.uk/2013/04/bash-how-to-detect-os/
local arch=$(uname -m)
local kernel=$(uname -r)
local distroname=""
if [ -n "$(command -v lsb_release)" ]; then
distroname=$(lsb_release -s -d)
elif [ -f "/etc/os-release" ]; then
distroname=$(grep PRETTY_NAME /etc/os-release | sed 's/PRETTY_NAME=//g' | tr -d '="')
elif [ -f "/etc/debian_version" ]; then
distroname="Debian $(cat /etc/debian_version)"
elif [ -f "/etc/redhat-release" ]; then
distroname=$(cat /etc/redhat-release)
else
distroname="$(uname -s) $(uname -r)"
fi
echo "distroname:${distroname}"
}
function putfio() {
if (($# == 1));then
curl -F "file=@$1" 'https://file.io/?expires=3d'
echo '$?':$?
elif (($# == 2)) && [[ $2 =~ [1-9][0-9]{0,2}[dmwDMW] ]];then
echo ' =~ [1-9][0-9]{0,2}[dmwDMW] :$MATCH:['$MATCH'],array $match:['$match']'
curl -F "file=@$1" "https://file.io/?expires=$2"
echo '$?':$?
else
echo "usage: putfio <id> [(expires=)<9d/3m/7w>]"
#define EX_USAGE 64 /* command line usage error */
return 64
fi
}
function getfio() {
if (($# == 2));then
curl -o "$2.7z" "https://file.io/$1"
echo '$?':$?
elif (($# == 1));then
curl -o "$1.7z" "https://file.io/$1"
echo '$?':$?
else
echo "usage: getfio <id> [output_file_name_without_suffix]"
#define EX_USAGE 64 /* command line usage error */
return 64
fi
}
function srv() {
#detect OS(Ubuntu, Debian, Mint, kali, RHEL, Centos, Fedora, Suse, etc.)
if (($# == 2));then
if [[ "$1" == status ]];then
sudo systemctl -al status "$2"
fi
sudo systemctl "$1" "$2"
fi
echo '$?':$?
#apache2, same for httpd
#alias apstt='sudo systemctl -l status apache2'
#alias apstp='sudo systemctl stop apache2'
#alias apstr='sudo systemctl start apache2'
#alias aprst='sudo systemctl restart apache2'
#alias aprld='sudo systemctl reload apache2'
#alias apstt='sudo /etc/init.d/apache2 status'
#alias apstp='sudo /etc/init.d/apache2 graceful-stop'
#alias apstr='sudo /etc/init.d/apache2 start'
#alias aprst='sudo /etc/init.d/apache2 restart'
#alias aprld='sudo /etc/init.d/apache2 reload'
#mysql, mariadb
#alias mystt='sudo systemctl -a status mysql'
#alias mystp='sudo systemctl stop mysql'
#alias mystr='sudo systemctl start mysql'
#alias myrst='sudo systemctl restart mysql'
}
function srvstr() {
local uniq_args=$(gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {printf "%s%s%s\n", quot, $1, quot}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
local srv=""
for srv in $uniq_args;do
sudo service "$srv" start
echo '$?':$?
done
}
function srvstp() {
local uniq_args=$(gawk -v quot="'" 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {printf "%s%s%s\n", quot, $1, quot}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
local srv=""
for srv in $uniq_args;do
sudo service "$srv" stop
echo '$?':$?
done
}
#weather
function wttr() {
if ((0 < $#));then
local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
local arg=""
for arg in $uniq_args;do
if [[ $arg =~ [a-zA-Z0-9.]*[a-zA-Z]+ ]];then
curl wttr.in/@$arg
elif [[ $arg =~ [a-zA-Z0-9]* ]];then
curl wttr.in/$arg
elif [[ $arg =~ [/-]h ]];then
curl wttr.in/:help
fi
echo '$?':$?
done
else
curl wttr.in
echo '$?':$?
fi
}
#primitive ffmpeg av rewind fast-forward
function avrwndff() {
if (($# < 1 || $# > 3)) || (($# == 3)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]];then # { (($# == 3)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]] }? http://unix.stackexchange.com/questions/88850/precedence-of-the-shell-logical-operators
if (($# == 3)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]];then
echo '※hit "...|| (($# == 3)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]]" #better { (($# == 3)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]] }?'
fi
echo "usage: avrwndff input_file [(optional)speed factor(2.0(default) 1.75 2.25 2.5...)] [(optional)output file name prefix]"
#define EX_USAGE 64 /* command line usage error */
return 64
fi
echo '$#':$#
local idx=0
local arg=""
for arg in "$@";do
echo '$'$((++idx)):'['$arg']'
done
local infile=""
local outfile=""
local factor=""
if [[ ! -f $1 ]];then
echo "please specify a valid local file name, and try again."
return 113
else
infile="$1"
if (($# == 1));then
factor="2" #default
outfile="${infile%.*}"
outfile+="_spdx"
outfile+=$factor
outfile+="."
suffix="${infile##*.}"
outfile+=$suffix
fi
fi
if (($# == 2));then
#if [[ $2 =~ (^[-+]?[0-9]?[.,][1-9]{1,2}$)|(^[-+]?[1-9]$) ]];then #parse error near `|'
if [[ $2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]];then #http://www.regular-expressions.info/floatingpoint.html
echo 'hit [[ $2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]]'
factor="$2"
outfile="${infile%.*}"
outfile+="_spdx"
outfile+=$factor
outfile+="."
suffix="${infile##*.}"
outfile+=$suffix
elif [[ -e $2 ]];then
echo "error: destination/output file already exist, please specify other name for output, and try again."
return 113
else
outfile="$2"
outfile+="_spdx"
factor="2" #default
outfile+=$factor
outfile+="."
suffix="${infile##*.}"
outfile+=$suffix
fi
fi
if (($# == 3));then
#if [[ $2 =~ (^[-+]?[0-9]?[.,][1-9]{1,2}$)|(^[-+]?[1-9]$) ]];then #parse error near `|'
if [[ $2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]];then
if [[ -e $3 ]];then
echo "error: destination/output file already exist, please specify other name for output, and try again."
return 113
fi
echo 'hit [[ $2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]]'
factor="$2"
outfile="$3"
outfile+="_spdx"
outfile+=$factor
outfile+="."
suffix="${infile##*.}"
outfile+=$suffix
else #? redundant as already checked at function start
echo "usage: avrwndff input_file [(optional)speed factor(2.0(default) 1.75 2.25 2.5...)] [(optional)output file name prefix]"
#define EX_USAGE 64 /* command line usage error */
return 64
fi
fi
echo "#test<"
if (($# == 2)) && [[ $2 == ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]];then
echo 'hit (($# == 2)) && [[ $2 == ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]]'
fi
# [[ != ]] literal string comparison?
if (($# == 2)) && [[ $2 != ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]];then
echo 'ERRONEOUS/WRONG! hit (($# == 2)) && [[ $2 != ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ]], [[ != ]] literal string comparison?'
fi
if (($# == 2)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]];then
echo 'hit (($# == 2)) && [[ ! ($2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$) ]] #"[[ ! (xpr) ]]'
fi
if (($# == 2)) && [[ ! ( $2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ) ]];then
echo 'hit (($# == 2)) && [[ ! ( $2 =~ ^[-+]?[0-9]?[.,]?[1-9]{1,2}$ ) ]] #"[[ ! ( xpr ) ]]'
fi
echo "#test>"
#http://unix.stackexchange.com/questions/131766/why-does-my-shell-script-choke-on-whitespace-or-other-special-characters
#infile_singlequoted=$(printf %s. "$infile" | sed "s/'/'\\\\''/g")
#outfile_singlequoted=$(printf %s. "$outfile" | sed "s/'/'\\\\''/g")
#'How'\''s Do One-Way Mirrors Work-4kKL32opewI.mp4' #output by ll on Fedora24+
local infile_singlequoted=$(printf \'%s\' "$(printf %s "$infile" | sed "s/'/'\\\\''/g")")
local outfile_singlequoted=$(printf \'%s\' "$(printf %s "$outfile" | sed "s/'/'\\\\''/g")")
echo '"${infile_singlequoted}"':"${infile_singlequoted}"
echo '"${outfile_singlequoted}"':"${outfile_singlequoted}"
if [[ -e ${outfile_singlequoted} ]];then
echo "error: destination/output file already exist, please specify other name for output, and try again."
return 113
fi
local cmd='ffmpeg -i '
cmd+="${infile_singlequoted}" #"$infile_singlequoted"
cmd+=' -filter:v "setpts=PTS/'
cmd+=$factor
cmd+='" -filter:a "atempo='
cmd+=$factor
cmd+='" '
cmd+="${outfile_singlequoted}" #"$outfile_singlequoted"
#cmd=${cmd//\'/\\\'} #eval: unmatched '
#cmd=${cmd//*/\*}
echo '$cmd:['$cmd']'
eval " $cmd"
echo '$?':$?
}
function appvr() {
uname -a
vim --version
nvim --version
gdb --version
gcc --version
g++ --version
git --version
as --version #GNU assembler
openssl version
ssh -V
libreoffice --version
ffmpeg -version
gimp --version
vlc --version
google-chrome-stable --version
xmllint --version
echo "node --version":$(node --version)
echo "youtube-dl --version":$(youtube-dl --version)
#echo "python --version":$(python --version) #python outputs its name automatically!
echo $(python --version) #'echo' spaces with an empty line
perl --version
}
# ≈ MS Word
function wrtr() {
local uniq_args=$(gawk 'BEGIN {RS=" ";ORS="\n"} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
local args=""
local file=""
for file in $uniq_args;do
if [[ -d $file ]];then
echo "error: directory with name \`$file' already exist, unable to edit directories, please specify other file name, and try again."
return 113
elif [[ ! -e $file ]];then
touch $file
fi
args+="$file "
done
args=${args%% }
nohup libreoffice --writer $args &> /dev/null & disown
}
function sprsht() {
#local uniq_args=$(gawk 'BEGIN {RS=ORS="\n"} !seen[$0]++ {print $0}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
nohup libreoffice --calc $uniq_args &> /dev/null & disown
}
# ≈ MS Powerpoint
function slid() {
#local uniq_args=$(gawk 'BEGIN {RS=ORS="\n"} !seen[$0]++ {print $0}' <<< "$@")
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
nohup libreoffice --impress $uniq_args &> /dev/null & disown
}
#view pdf
function vns() {
local uniq_args=$(gawk 'BEGIN {RS=ORS=" "} !seen[$1]++ {print $1}' <<< "$@")
echo 'uniq_args before func trmsp() called:['$uniq_args']'
uniq_args=$(trmsp $uniq_args)
echo 'uniq_args after func trmsp() called:['$uniq_args']'
nohup evince $uniq_args &> /dev/null & disown
}
function mkcd() {
if [[ -z $1 ]] || [[ ! -n $1 ]];then
echo "error: please specify a valid directory name and try again."
return 113
elif [[ -d $1 ]];then
echo "error: destination directory \`$1' already exist, please specify other name and try again."
return 113
else
mkdir -p -- "$1" &&
cd -P -- "$1"
#BASH BUILTIN COMMANDS
#Unless otherwise noted, each builtin command documented in this section as accepting options preceded by - accepts -- to signify the end of the options.
#mkdir -p "$1" &&
#cd "$1" #cd: line number : no such file or directory
echo '$?':$?
echo 'pwd':$(pwd)