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bin/goldilocks
Starbeamrainbowlabs 1d4916593a Add goldilocks
2016-09-12 21:25:38 +02:00

80 lines
3.4 KiB
Bash
Executable file

#!/bin/bash
# From http://unix.stackexchange.com/a/124460/64687
useage() {
printf "\n\e[1;4mAscii Escape Code Helper Utility\e[m\n\n"
printf " \e[1mUseage:\e[m colors.sh [-|-b|-f|-bq|-fq|-?|?] [start] [end] [step]\n\n"
printf "The values for the first parameter may be one of the following:\n\n"
printf " \e[1m-\e[m Will result in the default output.\n"
printf " \e[1m-b\e[m This will display the 8 color version of this chart.\n"
printf " \e[1m-f\e[m This will display the 256 color version of this chart using foreground colors.\n"
printf " \e[1m-q\e[m This will display the 256 color version of this chart without the extra text.\n"
printf " \e[1m-bq\e[m This will display the 8 color version of this chart without the extra text.\n"
printf " \e[1m-fq\e[m This will display the 256 color version of this chart using foreground colors without the extra text.\n"
printf " \e[1m-?|?\e[m Displays this help screen.\n"
printf "\nThe remaining parameters are only used if the first parameter is one of: \e[1m-,-f,q,fq\e[m\n\n"
printf " \e[1mstart\e[m The color index to begin display at.\n"
printf " \e[1mend\e[m The color index to stop display at.\n"
printf " \e[1mstart\e[m The number of indexes to increment color by each iteration.\n\n\n"
}
verbose() {
if [[ "$1" != "-q" && "$1" != "-fq" && "$1" != "-bq" ]]; then
printf "\nTo control the display style use \e[1m%s\e[m where \e[1m%s\e[m is:\n" '\e[{$value}[:{$value}]m' '{$value}'
printf "\n 0 Normal \e[1m1 Bold\e[m \e[2m2 Dim\e[m \e[3m3 ???\e[m \e[4m4 Underlined\e[m \e[5m5 Blink\e[m \e[6m6 ???\e[m \e[7m7 Inverted\e[m \e[8m8 Hidden\e[m\n\n"
printf "If \e[1m%s\e[m is not provided it will reset the display.\n\n" '{$value}'
fi
}
eight_color() {
local fgc bgc vals seq0
if [ "$1" != "-bq" ]; then
printf "\n\e[1;4m8 Color Escape Value Pallette\e[m\n\n"
printf "Color escapes are \e[1m%s\e[m\n" '\e[${value};...;${value}m'
printf " Values \e[1m30..37\e[m are \e[1mforeground\e[m colors\n"
printf " Values \e[1m40..47\e[m are \e[1mbackground\e[m colors\n\n"
fi
for fgc in {30..37}; do
for bgc in {40..47}; do
fgc=${fgc#37}
bgc=${bgc#40}
vals="${fgc:+$fgc;}${bgc}"
vals=${vals%%;}
seq0="${vals:+\e[${vals}m}"
printf " %-9s" "${seq0:-(default)}"
printf " ${seq0}TEXT\e[m"
printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
done
printf "\e[0m\n"
done
}
if [[ "$1" == "-b" || "$1" == "-bq" ]]; then
eight_color "$1"
verbose "$1"
elif [[ "$1" == "" || "$1" == "-" || "$1" == "-f" || "$1" == "-q" || "$1" == "-fq" ]]; then
start=${2:-0}
end=${3:-255}
step=${4:-1}
color=$start
style="48;5;"
if [[ "$1" == "-f" || "$1" == "-fq" ]]; then
style="38;5;"
fi
perLine=$(( ( $(tput cols) - 2 ) / 9 ));
if [[ "$1" != "-q" && "$1" != "-fq" ]]; then
printf "\n\e[1;4m256 Color Escape Value Pallette\e[0m\n\n"
printf " \e[1m%s\e[m for \e[1mbackground\e[m colors\n \e[1m%s\e[m for \e[1mforeground\e[m colors\n\n" '\e[48;5;${value}m' '\e[38;5;${value}m'
fi
while [ $color -le $end ]; do
printf "\e[m \e[${style}${color}m %3d \e[m " $color
((color+=step))
if [ $(( ( ( $color - $start ) / $step ) % $perLine )) -eq 0 ]; then
printf "\n"
fi
done
printf "\e[m\n"
verbose "$1"
else
useage
fi