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shtool
executable file
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shtool
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#!/bin/sh
##
## GNU shtool -- The GNU Portable Shell Tool
## Copyright (c) 1994-2000 Ralf S. Engelschall <rse@engelschall.com>
##
## See http://www.gnu.org/software/shtool/ for more information.
## See ftp://ftp.gnu.org/gnu/shtool/ for latest version.
##
## Version: 1.5.1 (29-Jul-2000)
## Contents: all available modules
##
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
## USA, or contact Ralf S. Engelschall <rse@engelschall.com>.
##
## Notice: Given that you include this file verbatim into your own
## source tree, you are justified in saying that it remains separate
## from your package, and that this way you are simply just using GNU
## shtool. So, in this situation, there is no requirement that your
## package itself is licensed under the GNU General Public License in
## order to take advantage of GNU shtool.
##
##
## Usage: shtool [<options>] [<cmd-name> [<cmd-options>] [<cmd-args>]]
##
## Available commands:
## echo Print string with optional construct expansion
## mdate Pretty-print modification time of a file or dir
## table Pretty-print a field-separated list as a table
## prop Display progress with a running propeller
## move Move files with simultaneous substitution
## install Install a program, script or datafile
## mkdir Make one or more directories
## mkln Make link with calculation of relative paths
## mkshadow Make a shadow tree through symbolic links
## fixperm Fix file permissions inside a source tree
## tarball Roll distribution tarballs
## guessos Simple operating system guesser
## arx Extended archive command
## slo Separate linker options by library class
## scpp Sharing C Pre-Processor
## version Maintain a version information file
## path Deal with program paths
##
if [ $# -eq 0 ]; then
echo "$0:Error: invalid command line" 1>&2
echo "$0:Hint: run \`$0 -h' for usage" 1>&2
exit 1
fi
if [ ".$1" = ".-h" -o ".$1" = ".--help" ]; then
echo "This is GNU shtool, version 1.5.1 (29-Jul-2000)"
echo "Copyright (c) 1994-2000 Ralf S. Engelschall <rse@engelschall.com>"
echo "Report bugs to <bug-shtool@gnu.org>"
echo ''
echo "Usage: shtool [<options>] [<cmd-name> [<cmd-options>] [<cmd-args>]]"
echo ''
echo 'Available global <options>:'
echo ' -v, --version display shtool version information'
echo ' -h, --help display shtool usage help page (this one)'
echo ' -d, --debug display shell trace information'
echo ' -r, --recreate recreate this shtool script via shtoolize'
echo ''
echo 'Available <cmd-name> [<cmd-options>] [<cmd-args>]:'
echo ' echo [-n] [-e] [<str> ...]'
echo ' mdate [-n] [-z] [-s] [-d] [-f<str>] [-o<spec>] <path>'
echo ' table [-F<sep>] [-w<width>] [-c<cols>] [-s<strip>] <str><sep><str>...'
echo ' prop [-p<str>]'
echo ' move [-v] [-t] [-e] [-p] <src-file> <dst-file>'
echo ' install [-v] [-t] [-c] [-C] [-s] [-m<mode>] [-o<owner>] [-g<group>]'
echo ' [-e<ext>] <file> [<file> ...] <path>'
echo ' mkdir [-t] [-f] [-p] [-m<mode>] <dir> [<dir> ...]'
echo ' mkln [-t] [-f] [-s] <src-path> [<src-path> ...] <dst-path>'
echo ' mkshadow [-v] [-t] [-a] <src-dir> <dst-dir>'
echo ' fixperm [-v] [-t] <path> [<path> ...]'
echo ' tarball [-t] [-v] [-o <tarball>] [-c <prog>] [-d <dir>] [-u'
echo ' <user>] [-g <group>] [-e <pattern>] <path> [<path> ...]'
echo ' guessos '
echo ' arx [-t] [-C<cmd>] <op> <archive> [<file> ...]'
echo ' slo [-p<str>] -- -L<dir> -l<lib> [-L<dir> -l<lib> ...]'
echo ' scpp [-v] [-p] [-f<filter>] [-o<ofile>] [-t<tfile>] [-M<mark>]'
echo ' [-D<dname>] [-C<cname>] <file> [<file> ...]'
echo ' version [-l<lang>] [-n<name>] [-p<prefix>] [-s<version>] [-e]'
echo ' [-i<knob>] [-d<type>] <file>'
echo ' path [-s] [-r] [-d] [-b] [-m] [-p<path>] <str> [<str> ...]'
echo ''
exit 0
fi
if [ ".$1" = ".-v" -o ".$1" = ."--version" ]; then
echo "GNU shtool 1.5.1 (29-Jul-2000)"
exit 0
fi
if [ ".$1" = ".-r" -o ".$1" = ."--recreate" ]; then
shtoolize -oshtool all
exit 0
fi
if [ ".$1" = ".-d" -o ".$1" = ."--debug" ]; then
shift
set -x
fi
name=`echo "$0" | sed -e 's;.*/\([^/]*\)$;\1;' -e 's;-sh$;;' -e 's;\.sh$;;'`
case "$name" in
echo|mdate|table|prop|move|install|mkdir|mkln|mkshadow|fixperm|tarball|guessos|arx|slo|scpp|version|path )
# implicit tool command selection
tool="$name"
;;
* )
# explicit tool command selection
tool="$1"
shift
;;
esac
arg_spec=""
opt_spec=""
gen_tmpfile=no
##
## DISPATCH INTO SCRIPT PROLOG
##
case $tool in
echo )
str_tool="echo"
str_usage="[-n] [-e] [<str> ...]"
arg_spec="0+"
opt_spec="n.e."
opt_n=no
opt_e=no
;;
mdate )
str_tool="mdate"
str_usage="[-n] [-z] [-s] [-d] [-f<str>] [-o<spec>] <path>"
arg_spec="1="
opt_spec="n.z.s.d.f:o:"
opt_n=no
opt_z=no
opt_s=no
opt_d=no
opt_f=" "
opt_o="dmy"
;;
table )
str_tool="table"
str_usage="[-F<sep>] [-w<width>] [-c<cols>] [-s<strip>] <str><sep><str>..."
arg_spec="1+"
opt_spec="F:w:c:s:"
opt_F=":"
opt_w=15
opt_c=3
opt_s=79
;;
prop )
str_tool="prop"
str_usage="[-p<str>]"
arg_spec="0="
opt_spec="p:"
opt_p=""
;;
move )
str_tool="move"
str_usage="[-v] [-t] [-e] [-p] <src-file> <dst-file>"
arg_spec="2="
opt_spec="v.t.e.p."
opt_v=no
opt_t=no
opt_e=no
opt_p=no
;;
install )
str_tool="install"
str_usage="[-v] [-t] [-c] [-C] [-s] [-m<mode>] [-o<owner>] [-g<group>] [-e<ext>] <file> [<file> ...] <path>"
arg_spec="2+"
opt_spec="v.t.c.C.s.m:o:g:e:"
opt_v=no
opt_t=no
opt_c=no
opt_C=no
opt_s=no
opt_m=""
opt_o=""
opt_g=""
opt_e=""
;;
mkdir )
str_tool="mkdir"
str_usage="[-t] [-f] [-p] [-m<mode>] <dir> [<dir> ...]"
arg_spec="1+"
opt_spec="t.f.p.m:"
opt_t=no
opt_f=no
opt_p=no
opt_m=""
;;
mkln )
str_tool="mkln"
str_usage="[-t] [-f] [-s] <src-path> [<src-path> ...] <dst-path>"
arg_spec="2+"
opt_spec="t.f.s."
opt_t=no
opt_f=no
opt_s=no
;;
mkshadow )
str_tool="mkshadow"
str_usage="[-v] [-t] [-a] <src-dir> <dst-dir>"
arg_spec="2="
opt_spec="v.t.a."
opt_v=no
opt_t=no
opt_a=no
;;
fixperm )
str_tool="fixperm"
str_usage="[-v] [-t] <path> [<path> ...]"
arg_spec="1+"
opt_spec="v.t."
opt_v=no
opt_t=no
;;
tarball )
str_tool="tarball"
str_usage="[-t] [-v] [-o <tarball>] [-c <prog>] [-d <dir>] [-u <user>] [-g <group>] [-e <pattern>] <path> [<path> ...]"
gen_tmpfile=yes
arg_spec="1+"
opt_spec="t.v.o:c:d:u:g:e:"
opt_t=no
opt_v=no
opt_o=""
opt_c=""
opt_d=""
opt_u=""
opt_g=""
opt_e="CVS,\\.cvsignore,\\.[oa]\$"
;;
guessos )
str_tool="guessos"
str_usage=""
arg_spec="0="
opt_spec=""
;;
arx )
str_tool="arx"
str_usage="[-t] [-C<cmd>] <op> <archive> [<file> ...]"
arg_spec="2+"
opt_spec="t.C:"
opt_t=no
opt_C="ar"
;;
slo )
str_tool="slo"
str_usage="[-p<str>] -- -L<dir> -l<lib> [-L<dir> -l<lib> ...]"
arg_spec="1+"
opt_spec="p:"
opt_p="SLO_"
;;
scpp )
str_tool="scpp"
str_usage="[-v] [-p] [-f<filter>] [-o<ofile>] [-t<tfile>] [-M<mark>] [-D<dname>] [-C<cname>] <file> [<file> ...]"
gen_tmpfile=yes
arg_spec="1+"
opt_spec="v.p.f+o:t:M:D:C:"
opt_v=no
opt_p=no
opt_f=""
opt_o="lib.h"
opt_t="lib.h.in"
opt_M="%%MARK%%"
opt_D="cpp"
opt_C="intern"
;;
version )
str_tool="version"
str_usage="[-l<lang>] [-n<name>] [-p<prefix>] [-s<version>] [-e] [-i<knob>] [-d<type>] <file>"
arg_spec="1="
opt_spec="l:n:p:s:i:e.d:"
opt_l="txt"
opt_n="unknown"
opt_p=""
opt_s=""
opt_e="no"
opt_i=""
opt_d="short"
;;
path )
str_tool="path"
str_usage="[-s] [-r] [-d] [-b] [-m] [-p<path>] <str> [<str> ...]"
gen_tmpfile=yes
arg_spec="1+"
opt_spec="s.r.d.b.m.p:"
opt_s=no
opt_r=no
opt_d=no
opt_b=no
opt_m=no
opt_p="$PATH"
;;
-* )
echo "$0:Error: unknown option \`$tool'" 2>&1
echo "$0:Hint: run \`$0 -h' for usage" 2>&1
exit 1
;;
* )
echo "$0:Error: unknown command \`$tool'" 2>&1
echo "$0:Hint: run \`$0 -h' for usage" 2>&1
exit 1
;;
esac
##
## COMMON UTILITY CODE
##
# determine name of tool
if [ ".$tool" != . ]; then
# used inside shtool script
toolcmd="$0 $tool"
toolcmdhelp="shtool $tool"
msgprefix="shtool:$tool"
else
# used as standalone script
toolcmd="$0"
toolcmdhelp="sh $0"
msgprefix="$str_tool"
fi
# parse argument specification string
eval `echo $arg_spec |\
sed -e 's/^\([0-9]*\)\([+=]\)/arg_NUMS=\1; arg_MODE=\2/'`
# parse option specification string
eval `echo h.$opt_spec |\
sed -e 's/\([a-zA-Z0-9]\)\([.:+]\)/opt_MODE_\1=\2;/g'`
# interate over argument line
opt_PREV=''
while [ $# -gt 0 ]; do
# special option stops processing
if [ ".$1" = ".--" ]; then
shift
break
fi
# determine option and argument
opt_ARG_OK=no
if [ ".$opt_PREV" != . ]; then
# merge previous seen option with argument
opt_OPT="$opt_PREV"
opt_ARG="$1"
opt_ARG_OK=yes
opt_PREV=''
else
# split argument into option and argument
case "$1" in
-[a-zA-Z0-9]*)
eval `echo "x$1" |\
sed -e 's/^x-\([a-zA-Z0-9]\)/opt_OPT="\1";/' \
-e 's/";\(.*\)$/"; opt_ARG="\1"/'`
;;
-[a-zA-Z0-9])
opt_OPT=`echo "x$1" | cut -c3-`
opt_ARG=''
;;
*)
break
;;
esac
fi
# eat up option
shift
# determine whether option needs an argument
eval "opt_MODE=\$opt_MODE_${opt_OPT}"
if [ ".$opt_ARG" = . -a ".$opt_ARG_OK" != .yes ]; then
if [ ".$opt_MODE" = ".:" -o ".$opt_MODE" = ".+" ]; then
opt_PREV="$opt_OPT"
continue
fi
fi
# process option
case $opt_MODE in
'.' )
# boolean option
eval "opt_${opt_OPT}=yes"
;;
':' )
# option with argument (multiple occurances override)
eval "opt_${opt_OPT}=\"\$opt_ARG\""
;;
'+' )
# option with argument (multiple occurances append)
eval "opt_${opt_OPT}=\"\$opt_${opt_OPT} \$opt_ARG\""
;;
* )
echo "$msgprefix:Error: unknown option: \`-$opt_OPT'" 1>&2
echo "$msgprefix:Hint: run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2
exit 1
;;
esac
done
if [ ".$opt_PREV" != . ]; then
echo "$msgprefix:Error: missing argument to option \`-$opt_PREV'" 1>&2
echo "$msgprefix:Hint: run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2
exit 1
fi
# process help option
if [ ".$opt_h" = .yes ]; then
echo "Usage: $toolcmdhelp $str_usage"
exit 0
fi
# complain about incorrect number of arguments
case $arg_MODE in
'=' )
if [ $# -ne $arg_NUMS ]; then
echo "$msgprefix:Error: invalid number of arguments (exactly $arg_NUMS expected)" 1>&2
echo "$msgprefix:Hint: run \`$toolcmd -h' or \`man shtool' for details" 1>&2
exit 1
fi
;;
'+' )
if [ $# -lt $arg_NUMS ]; then
echo "$msgprefix:Error: invalid number of arguments (at least $arg_NUMS expected)" 1>&2
echo "$msgprefix:Hint: run \`$toolcmd -h' or \`man shtool' for details" 1>&2
exit 1
fi
;;
esac
# establish a temporary file on request
if [ ".$gen_tmpfile" = .yes ]; then
if [ ".$TMPDIR" != . ]; then
tmpdir="$TMPDIR"
elif [ ".$TEMPDIR" != . ]; then
tmpdir="$TEMPDIR"
else
tmpdir="/tmp"
fi
tmpfile="$tmpdir/.shtool.$$"
rm -f $tmpfile >/dev/null 2>&1
touch $tmpfile
fi
##
## DISPATCH INTO SCRIPT BODY
##
case $tool in
echo )
##
## echo -- Print string with optional construct expansion
## Copyright (c) 1998-2000 Ralf S. Engelschall <rse@engelschall.com>
## Originally written for WML as buildinfo
##
text="$*"
# check for broken escape sequence expansion
seo=''
bytes=`echo '\1' | wc -c | awk '{ printf("%s", $1); }'`
if [ ".$bytes" != .3 ]; then
bytes=`echo -E '\1' | wc -c | awk '{ printf("%s", $1); }'`
if [ ".$bytes" = .3 ]; then
seo='-E'
fi
fi
# check for existing -n option (to suppress newline)
minusn=''
bytes=`echo -n 123 2>/dev/null | wc -c | awk '{ printf("%s", $1); }'`
if [ ".$bytes" = .3 ]; then
minusn='-n'
fi
# determine terminal bold sequence
term_bold=''
term_norm=''
if [ ".$opt_e" = .yes -a ".`echo $text | egrep '%[Bb]'`" != . ]; then
case $TERM in
# for the most important terminal types we directly know the sequences
xterm|xterm*|vt220|vt220*)
term_bold=`awk 'BEGIN { printf("%c%c%c%c", 27, 91, 49, 109); }' </dev/null 2>/dev/null`
term_norm=`awk 'BEGIN { printf("%c%c%c", 27, 91, 109); }' </dev/null 2>/dev/null`
;;
vt100|vt100*)
term_bold=`awk 'BEGIN { printf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); }' </dev/null 2>/dev/null`
term_norm=`awk 'BEGIN { printf("%c%c%c%c%c", 27, 91, 109, 0, 0); }' </dev/null 2>/dev/null`
;;
# for all others, we try to use a possibly existing `tput' or `tcout' utility
* )
paths=`echo $PATH | sed -e 's/:/ /g'`
for tool in tput tcout; do
for dir in $paths; do
if [ -r "$dir/$tool" ]; then
for seq in bold md smso; do # 'smso' is last
bold="`$dir/$tool $seq 2>/dev/null`"
if [ ".$bold" != . ]; then
term_bold="$bold"
break
fi
done
if [ ".$term_bold" != . ]; then
for seq in sgr0 me rmso reset; do # 'reset' is last
norm="`$dir/$tool $seq 2>/dev/null`"
if [ ".$norm" != . ]; then
term_norm="$norm"
break
fi
done
fi
break
fi
done
if [ ".$term_bold" != . -a ".$term_norm" != . ]; then
break;
fi
done
;;
esac
if [ ".$term_bold" = . -o ".$term_norm" = . ]; then
echo "$msgprefix:Warning: unable to determine terminal sequence for bold mode" 1>&2
fi
fi
# determine user name
username=''
if [ ".$opt_e" = .yes -a ".`echo $text | egrep '%[uU]'`" != . ]; then
username="$LOGNAME"
if [ ".$username" = . ]; then
username="$USER"
if [ ".$username" = . ]; then
username="`(whoami) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ ".$username" = . ]; then
username="`(who am i) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ ".$username" = . ]; then
username='unknown'
fi
fi
fi
fi
fi
# determine user id
userid=''
if [ ".$opt_e" = .yes -a ".`echo $text | egrep '%U'`" != . ]; then
userid="`(id -u) 2>/dev/null`"
if [ ".$userid" = . ]; then
str="`(id) 2>/dev/null`"
if [ ".`echo $str | grep '^uid[ ]*=[ ]*[0-9]*('`" != . ]; then
userid=`echo $str | sed -e 's/^uid[ ]*=[ ]*//' -e 's/(.*//'`
fi
if [ ".$userid" = . ]; then
userid=`egrep "^${username}:" /etc/passwd 2>/dev/null | \
sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'`
if [ ".$userid" = . ]; then
userid=`(ypcat passwd) 2>/dev/null |
egrep "^${username}:" | \
sed -e 's/[^:]*:[^:]*://' -e 's/:.*$//'`
if [ ".$userid" = . ]; then
userid='?'
fi
fi
fi
fi
fi
# determine host name
hostname=''
if [ ".$opt_e" = .yes -a ".`echo $text | egrep '%h'`" != . ]; then
hostname="`(uname -n) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ ".$hostname" = . ]; then
hostname="`(hostname) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ ".$hostname" = . ]; then
hostname='unknown'
fi
fi
case $hostname in
*.* )
domainname=".`echo $hostname | cut -d. -f2-`"
hostname="`echo $hostname | cut -d. -f1`"
;;
esac
fi
# determine domain name
domainname=''
if [ ".$opt_e" = .yes -a ".`echo $text | egrep '%d'`" != . ]; then
if [ ".$domainname" = . ]; then
if [ -f /etc/resolv.conf ]; then
domainname="`egrep '^[ ]*domain' /etc/resolv.conf | head -1 |\
sed -e 's/.*domain//' \
-e 's/^[ ]*//' -e 's/^ *//' -e 's/^ *//' \
-e 's/^\.//' -e 's/^/./' |\
awk '{ printf("%s", $1); }'`"
if [ ".$domainname" = . ]; then
domainname="`egrep '^[ ]*search' /etc/resolv.conf | head -1 |\
sed -e 's/.*search//' \
-e 's/^[ ]*//' -e 's/^ *//' -e 's/^ *//' \
-e 's/ .*//' -e 's/ .*//' \
-e 's/^\.//' -e 's/^/./' |\
awk '{ printf("%s", $1); }'`"
fi
fi
fi
fi
# determine current time
time_day=''
time_month=''
time_year=''
time_monthname=''
if [ ".$opt_e" = .yes -a ".`echo $text | egrep '%[DMYm]'`" != . ]; then
time_day=`date '+%d'`
time_month=`date '+%m'`
time_year=`date '+%Y' 2>/dev/null`
if [ ".$time_year" = . ]; then
time_year=`date '+%y'`
case $time_year in
[5-9][0-9]) time_year="19$time_year" ;;
[0-4][0-9]) time_year="20$time_year" ;;
esac
fi
case $time_month in
1|01) time_monthname='Jan' ;;
2|02) time_monthname='Feb' ;;
3|03) time_monthname='Mar' ;;
4|04) time_monthname='Apr' ;;
5|05) time_monthname='May' ;;
6|06) time_monthname='Jun' ;;
7|07) time_monthname='Jul' ;;
8|08) time_monthname='Aug' ;;
9|09) time_monthname='Sep' ;;
10) time_monthname='Oct' ;;
11) time_monthname='Nov' ;;
12) time_monthname='Dec' ;;
esac
fi
# expand special ``%x'' constructs
if [ ".$opt_e" = .yes ]; then
text=`echo $seo "$text" |\
sed -e "s/%B/${term_bold}/g" \
-e "s/%b/${term_norm}/g" \
-e "s/%u/${username}/g" \
-e "s/%U/${userid}/g" \
-e "s/%h/${hostname}/g" \
-e "s/%d/${domainname}/g" \
-e "s/%D/${time_day}/g" \
-e "s/%M/${time_month}/g" \
-e "s/%Y/${time_year}/g" \
-e "s/%m/${time_monthname}/g" 2>/dev/null`
fi
# create output
if [ .$opt_n = .no ]; then
echo $seo "$text"
else
# the harder part: echo -n is best, because
# awk may complain about some \xx sequences.
if [ ".$minusn" != . ]; then
echo $seo $minusn "$text"
else
echo dummy | awk '{ printf("%s", TEXT); }' TEXT="$text"
fi
fi
;;
mdate )
##
## mdate -- Pretty-print modification time of a file or dir
## Copyright (c) 1995-1997 Free Software Foundation, Inc.
## Originally idea and basis code by Ulrich Drepper
## Enhanced by Ralf S. Engelschall for shtool
##
fod="$1"
case "$opt_o" in
[dmy][dmy][dmy] )
;;
* ) echo "$msgprefix:Error: invalid argument to option \`-o': $opt_o" 1>&2
exit 1
;;
esac
if [ ! -r "$fod" ]; then
echo "$msgprefix:Error: file or directory not found: $fod" 1>&2
exit 1
fi
# prevent "date" giving response in another language
LANG=C; export LANG
LC_ALL=C; export LC_ALL
LC_TIME=C; export LC_TIME
# get the extended ls output of the file or directory.
if ls -L /dev/null >/dev/null 2>&1; then
set - x`ls -L -l -d $fod`
else
set - x`ls -l -d $fod`
fi
# The month is at least the fourth argument
# (3 shifts here, the next inside the loop).
shift; shift; shift
# Find the month. Next argument is day, followed by the year or time.
month=""
while [ ".$month" = . ]; do
shift
case $1 in
Jan) month=January; nummonth=1 ;;
Feb) month=February; nummonth=2 ;;
Mar) month=March; nummonth=3 ;;
Apr) month=April; nummonth=4 ;;
May) month=May; nummonth=5 ;;
Jun) month=June; nummonth=6 ;;
Jul) month=July; nummonth=7 ;;
Aug) month=August; nummonth=8 ;;
Sep) month=September; nummonth=9 ;;
Oct) month=October; nummonth=10 ;;
Nov) month=November; nummonth=11 ;;
Dec) month=December; nummonth=12 ;;
esac
done
day="$2"
year="$3"
# We finally have to deal with the problem that the "ls" output
# gives either the time of the day or the year.
case $year in
*:*)
this_year=`date '+%Y' 2>/dev/null`
if [ ".$this_year" = . ]; then
this_year=`date '+%y'`
case $this_year in
[5-9][0-9]) this_year="19$this_year" ;;
[0-4][0-9]) this_year="20$this_year" ;;
esac
fi
# for the following months of the last year the time notation
# is usually also used for files modified in the last year.
this_month=`date '+%m'`
if (expr $nummonth \> $this_month) >/dev/null; then
this_year=`expr $this_year - 1`
fi
year="$this_year"
;;
esac
# Optionally fill day and month with leeding zeros
if [ ".$opt_z" = .yes ]; then
case $day in
[0-9][0-9] ) ;;
[0-9] ) day="0$day" ;;
esac
case $nummonth in
[0-9][0-9] ) ;;
[0-9] ) nummonth="0$nummonth" ;;
esac
fi
# Optionally use digits for month
if [ ".$opt_d" = .yes ]; then
month="$nummonth"
fi
# Optionally shorten the month name to three characters
if [ ".$opt_s" = .yes ]; then
month=`echo $month | cut -c1-3`
fi
# Output the resulting date string
echo dummy | awk '{
for (i = 0; i < 3; i++) {
now = substr(order, 1, 1);
order = substr(order, 2);
if (now == "d")
out = day;
else if (now == "m")
out = month;
else if (now == "y")
out = year;
if (i < 2)
printf("%s%s", out, field);
else
printf("%s", out);
}
if (newline != "yes")
printf("\n");
}' "day=$day" "month=$month" "year=$year" \
"field=$opt_f" "order=$opt_o" "newline=$opt_n"
;;
table )
##
## table -- Pretty-print a field-separated list as a table
## Copyright (c) 1998-2000 Ralf S. Engelschall <rse@engelschall.com>
## Originally written for Apache
##
if [ $opt_c -gt 4 ]; then
echo "$msgprefix:Error: Invalid number of colums (1..4 allowed only)" 1>&2
exit 1
fi
case "x$opt_F" in
x? ) ;;
* ) echo "$msgprefix:Error: Invalid separator (one char allowed only)" 1>&2; exit 1 ;;
esac
# split the list into a table
list=`
IFS="$opt_F"
for entry in $*; do
if [ ".$entry" != . ]; then
echo "$entry"
fi
done |\
awk "
BEGIN { list = \"\"; n = 0; }
{
list = list \\$1;
n = n + 1;
if (n < $opt_c) {
list = list \":\";
}
if (n == $opt_c) {
list = list \"\\n\";
n = 0;
}
}
END { print list; }
"
`
# format table cells and make sure table
# doesn't exceed maximum width
OIFS="$IFS"
IFS='
'
for entry in $list; do
case $opt_c in
1 ) eval "echo \"\${entry}\" | awk -F: '{ printf(\"%-${opt_w}s\\n\", \$1); }'" ;;
2 ) eval "echo \"\${entry}\" | awk -F: '{ printf(\"%-${opt_w}s %-${opt_w}s\\n\", \$1, \$2); }'" ;;
3 ) eval "echo \"\${entry}\" | awk -F: '{ printf(\"%-${opt_w}s %-${opt_w}s %-${opt_w}s\\n\", \$1, \$2, \$3); }'" ;;
4 ) eval "echo \"\${entry}\" | awk -F: '{ printf(\"%-${opt_w}s %-${opt_w}s %-${opt_w}s %-${opt_w}s\\n\", \$1, \$2, \$3, \$4); }'" ;;
esac
done |\
awk "{
if (length(\$0) > $opt_s) {
printf(\"%s\\n\", substr(\$0, 0, $opt_s-1));
} else {
print \$0;
}
}"
IFS="$OIFS"
;;
prop )
##
## prop -- Display progress with a running propeller
## Copyright (c) 1998-2000 Ralf S. Engelschall <rse@engelschall.com>
## Originally written for mod_ssl
##
perl=''
for dir in `echo $PATH | sed -e 's/:/ /g'` .; do
if [ -f "$dir/perl" ]; then
perl="$dir/perl"
break
fi
done
if [ ".$perl" != . ]; then
# Perl is preferred because writing to STDERR in
# Perl really writes immediately as one would expect
$perl -e '
@p = ("|","/","-","\\");
$i = 0;
while (<STDIN>) {
printf(STDERR "\r%s...%s\b", $ARGV[0], $p[$i++]);
$i = 0 if ($i > 3);
}
printf(STDERR "\r%s \n", $ARGV[0]);
' "$opt_p"
else
# But if Perl doesn't exists we use Awk even
# some Awk's buffer even the /dev/stderr writing :-(
awk '
BEGIN {
split("|#/#-#\\", p, "#");
i = 1;
}
{
printf("\r%s%c\b", prefix, p[i++]) > "/dev/stderr";
if (i > 4) { i = 1; }
}
END {
printf("\r%s \n", prefix) > "/dev/stderr";
}
' "prefix=$opt_p"
fi
;;
move )
##
## move -- Move files with simultaneous substitution
## Copyright (c) 1999-2000 Ralf S. Engelschall <rse@engelschall.com>
## Originally written for shtool
##
src="$1"
dst="$2"
# consistency checks
if [ ".$src" = . -o ".$dst" = . ]; then
echo "$msgprefix:Error: Invalid arguments" 1>&2
exit 1
fi
if [ ".$src" = ".$dst" ]; then
echo "$msgprefix:Error: Source and destination files are the same" 1>&2
exit 1
fi
expsrc="$src"
if [ ".$opt_e" = .yes ]; then
expsrc="`echo $expsrc`"
fi
if [ ".$opt_e" = .yes ]; then
if [ ".`echo "$src" | sed -e 's;^.*\\*.*$;;'`" = ".$src" ]; then
echo "$msgprefix:Error: Source doesn't contain wildcard ('*'): $dst" 1>&2
exit 1
fi
if [ ".`echo "$dst" | sed -e 's;^.*%[1-9].*$;;'`" = ".$dst" ]; then
echo "$msgprefix:Error: Destination doesn't contain substitution ('%N'): $dst" 1>&2
exit 1
fi
if [ ".$expsrc" = ".$src" ]; then
echo "$msgprefix:Error: Sources not found or no asterisk : $src" 1>&2
exit 1
fi
else
if [ ! -r "$src" ]; then
echo "$msgprefix:Error: Source not found: $src" 1>&2
exit 1
fi
fi
# determine substitution patterns
if [ ".$opt_e" = .yes ]; then
srcpat=`echo "$src" | sed -e 's/\\./\\\\./g' -e 's/;/\\;/g' -e 's;\\*;\\\\(.*\\\\);g'`
dstpat=`echo "$dst" | sed -e 's;%\([1-9]\);\\\\\1;g'`
fi
# iterate over source(s)
for onesrc in $expsrc; do
if [ .$opt_e = .yes ]; then
onedst=`echo $onesrc | sed -e "s;$srcpat;$dstpat;"`
else
onedst="$dst"
fi
errorstatus=0
if [ ".$opt_v" = .yes ]; then
echo "$onesrc -> $onedst"
fi
if [ ".$opt_p" = .yes ]; then
if [ -r $onedst ]; then
if cmp -s $onesrc $onedst; then
if [ ".$opt_t" = .yes ]; then
echo "rm -f $onesrc" 1>&2
fi
rm -f $onesrc || errorstatus=$?
else
if [ ".$opt_t" = .yes ]; then
echo "mv -f $onesrc $onedst" 1>&2
fi
mv -f $onesrc $onedst || errorstatus=$?
fi
else
if [ ".$opt_t" = .yes ]; then
echo "mv -f $onesrc $onedst" 1>&2
fi
mv -f $onesrc $onedst || errorstatus=$?