192 lines
7 KiB
Bash
192 lines
7 KiB
Bash
#!/bin/bash
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#
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# This script may have been modified to work better with Blueprint.
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# Source code: https://github.com/technobomz/bash_colors
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#
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# Constants and functions for terminal colors.
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if [[ "$BASH_SOURCE" == "$0" ]]; then
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is_script=true
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set -eu -o pipefail
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else
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is_script=false
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fi
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log_ESC="\033["
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# All these variables has a function with the same name, but in lower case.
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#
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log_RESET=0 # reset all attributes to their defaults
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log_RESET_UNDERLINE=24 # underline off
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log_RESET_REVERSE=27 # reverse off
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log_DEFAULT=39 # set underscore off, set default foreground color
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log_DEFAULTB=49 # set default background color
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log_BOLD=1 # set bold
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log_BRIGHT=2 # set half-bright (simulated with color on a color display)
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log_UNDERSCORE=4 # set underscore (simulated with color on a color display)
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log_REVERSE=7 # set reverse video
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log_BLACK=30 # set black foreground
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log_RED=31 # set red foreground
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log_GREEN=32 # set green foreground
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log_BROWN=33 # set brown foreground
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log_BLUE=34 # set blue foreground
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log_MAGENTA=35 # set magenta foreground
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log_CYAN=36 # set cyan foreground
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log_WHITE=37 # set white foreground
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log_YELLOW=33 # set yellow foreground
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log_BLACKB=40 # set black background
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log_REDB=41 # set red background
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log_GREENB=42 # set green background
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log_BROWNB=43 # set brown background
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log_BLUEB=44 # set blue background
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log_MAGENTAB=45 # set magenta background
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log_CYANB=46 # set cyan background
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log_WHITEB=47 # set white background
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log_YELLOWB=43 # set yellow background
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# check if string exists as function
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# usage: if fn_exists "sometext"; then ... fi
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function fn_exists
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{
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type -t "$1" | grep -q 'function'
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}
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# iterate through command arguments, o allow for iterative color application
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function log_layer
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{
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# default echo setting
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log_ECHOSWITCHES="-e"
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log_STACK=""
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log_SWITCHES=""
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ARGS=("$@")
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# iterate over arguments in reverse
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for ((i=$#-1; i>=0; i--)); do
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ARG=${ARGS[$i]}
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# echo $ARG
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# set log_VAR as last argtype
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firstletter=${ARG:0:1}
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# check if argument is a switch
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if [ "$firstletter" = "-" ] ; then
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# if -n is passed, set switch for echo in log_escape
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if [[ $ARG == *"n"* ]]; then
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log_ECHOSWITCHES="-en"
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log_SWITCHES=$ARG
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fi
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else
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# last arg is the incoming string
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if [ -z "$log_STACK" ]; then
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log_STACK=$ARG
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else
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# if the argument is function, apply it
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if [ -n "$ARG" ] && fn_exists $ARG; then
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#continue to pass switches through recursion
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log_STACK=$($ARG "$log_STACK" $log_SWITCHES)
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fi
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fi
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fi
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done
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# pass stack and color var to escape function
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log_escape "$log_STACK" $1;
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}
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# General function to wrap string with escape sequence(s).
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# Ex: log_escape foobar $log_RED $log_BOLD
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function log_escape
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{
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local result="$1"
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until [ -z "${2:-}" ]; do
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if ! [ $2 -ge 0 -a $2 -le 47 ] 2>/dev/null; then
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echo "log_escape: argument \"$2\" is out of range" >&2 && return 1
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fi
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result="${log_ESC}${2}m${result}${log_ESC}${log_RESET}m"
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shift || break
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done
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echo "$log_ECHOSWITCHES" "$result"
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}
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function log { log_layer $log_RESET "$@"; }
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function log_reset { log_layer $log_RESET "$@"; }
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function log_reset_underline { log_layer $log_RESET_UNDERLINE "$@"; }
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function log_reset_reverse { log_layer $log_RESET_REVERSE "$@"; }
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function log_default { log_layer $log_DEFAULT "$@"; }
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function log_defaultb { log_layer $log_DEFAULTB "$@"; }
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function log_bold { log_layer $log_BOLD "$@"; }
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function log_bright { log_layer $log_BRIGHT "$@"; }
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function log_underscore { log_layer $log_UNDERSCORE "$@"; }
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function log_reverse { log_layer $log_REVERSE "$@"; }
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function log_black { log_layer $log_BLACK "$@"; }
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function log_red { log_layer $log_RED "$@"; }
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function log_green { log_layer $log_GREEN "$@"; }
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function log_brown { log_layer $log_BROWN "$@"; }
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function log_blue { log_layer $log_BLUE "$@"; }
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function log_magenta { log_layer $log_MAGENTA "$@"; }
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function log_cyan { log_layer $log_CYAN "$@"; }
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function log_white { log_layer $log_WHITE "$@"; }
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function log_yellow { log_layer $log_YELLOW "\e[1;33]$@"; }
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function log_blackb { log_layer $log_BLACKB "$@"; }
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function log_redb { log_layer $log_REDB "$@"; }
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function log_greenb { log_layer $log_GREENB "$@"; }
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function log_brownb { log_layer $log_BROWNB "$@"; }
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function log_blueb { log_layer $log_BLUEB "$@"; }
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function log_magentab { log_layer $log_MAGENTAB "$@"; }
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function log_cyanb { log_layer $log_CYANB "$@"; }
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function log_whiteb { log_layer $log_WHITEB "$@"; }
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function log_yellowb { log_layer $log_YELLOWB "\e[1;43]$@"; }
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# Outputs colors table
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function log_dump
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{
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local T='gYw'
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echo -e "\n 40m 41m 42m 43m 44m 45m 46m 47m";
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for FGs in ' 0m' ' 1m' ' 30m' '1;30m' ' 31m' '1;31m' \
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' 32m' '1;32m' ' 33m' '1;33m' ' 34m' '1;34m' \
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' 35m' '1;35m' ' 36m' '1;36m' ' 37m' '1;37m';
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do
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FG=${FGs// /}
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echo -en " $FGs \033[$FG $T "
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for BG in 40m 41m 42m 43m 44m 45m 46m 47m; do
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echo -en " \033[$FG\033[$BG $T \033[0m";
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done
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echo;
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done
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echo
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log_bold " Code Function Variable"
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echo \
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' 0 log_reset $log_RESET
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1 log_bold $log_BOLD
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2 log_bright $log_BRIGHT
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4 log_underscore $log_UNDERSCORE
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7 log_reverse $log_REVERSE
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30 log_black $log_BLACK
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31 log_red $log_RED
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32 log_green $log_GREEN
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33 log_brown $log_BROWN
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34 log_blue $log_BLUE
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35 log_magenta $log_MAGENTA
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36 log_cyan $log_CYAN
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37 log_white $log_WHITE
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40 log_blackb $log_BLACKB
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41 log_redb $log_REDB
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42 log_greenb $log_GREENB
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43 log_brownb $log_BROWNB
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44 log_blueb $log_BLUEB
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45 log_magentab $log_MAGENTAB
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46 log_cyanb $log_CYANB
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47 log_whiteb $log_WHITEB
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'
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}
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if [[ "$is_script" == "true" ]]; then
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log_dump
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fi
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