esccolorscomp

#!/bin/bash

#17
NAMES=(Default Black DarkRed DarkGreen DarkYellow DarkBlue DarkMagenta DarkCyan Gray DarkGray Red Green Yellow Blue Magenta Cyan White)
FGROUND=("39" "30" "31" "32" "33" "34" "35" "36" "37" "1;30" "1;31" "1;32" "1;33" "1;34" "1;35" "1;36" "1;37")
BGROUND=(49 40 41 42 43 44 45 46 47)
#Reset code \x1b[0m
#Attributes 0-Default; 1-bold; 4-understrike;  7-inversing;

echoc() #Text, color, background, attributes
{
    if [ -z "$2" ];then
	echo "$1" 
	return 
    fi
    
    if [ -t 1 ];then
	E__="\x1b[${FGROUND[$2]}m"
	if [ -n "$3" ];then
	    E__="$E__\x1b[${BGROUND[$3]}m"
	fi
    
	if [ -n "$4" ];then
	    E__="$E__\x1b[$4""m"
	fi
    
	echo -e "$E__$1\x1b[0m"
	
    else
	echo "$1"
    fi
}

echocn() #Text, color, background, attributes
{
    if [ -z "$2" ];then
	echo -n "$1" 
	return 
    fi
    
    if [ -t 1 ];then
	E__="\x1b[${FGROUND[$2]}m"
	if [ -n "$3" ];then
	    E__="$E__\x1b[${BGROUND[$3]}m"
	fi
    
	if [ -n "$4" ];then
	    E__="$E__\x1b[$4""m"
	fi
    
	echo -e -n "$E__$1\x1b[0m"
	
    else
	echo -n "$1"
    fi

}

echo -e "Foreground color:\tBackground color:"

for N in {0..16}; do
    if [ $N -eq 1 ];then #foreground
	echocn "$N - ${NAMES[$N]}" $N 4
    else
	echocn "$N - ${NAMES[$N]}" $N
    fi
    echo -e -n "\t\t"
    
    if [ $N -le 8 ];then
	if [ $N -gt 1 ];then
	    echoc " ${NAMES[$N]} " 1 $N #background
	else
	    echoc " ${NAMES[$N]} " 0 $N
	fi
    else
	echo
    fi
done
echo
echocn "Default" 0 0 0; echo -n " "
echocn "Bold" 0 0 1; echo -n " "
echocn "Understrike" 0 0 4; echo -n " "
echocn "Inversing" 0 0 7; echo -n " "
echo
echo