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