394 lines
12 KiB
Bash
394 lines
12 KiB
Bash
#!/usr/bin/env bash
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########################################################
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# Simple and fancy input & output
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########################################################
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which tput > /dev/null 2>&1 && [[ $(tput -T$TERM colors) -gt 8 ]] && CAN_USE_COLORS=1 || CAN_USE_COLORS=0
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USE_COLORS=${USE_COLORS:-$CAN_USE_COLORS}
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# Icons (message prefixes)
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[[ "$USE_COLORS" == 1 ]] && IINFO="( i )" || IINFO=''
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[[ "$USE_COLORS" == 1 ]] && INOTE="( * )" || INOTE=''
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[[ "$USE_COLORS" == 1 ]] && IWARN="( # )" || IWARN=''
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[[ "$USE_COLORS" == 1 ]] && IERROR="( ! )" || IERROR=''
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[[ "$USE_COLORS" == 1 ]] && IFATAL="( @ )" || IFATAL=''
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[[ "$USE_COLORS" == 1 ]] && ISUCCESS="( ! )" || ISUCCESS=''
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[[ "$USE_COLORS" == 1 ]] && IASK="( ? )" || IASK=''
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[[ "$USE_COLORS" == 1 ]] && IDEBUG="(DBG)" || IDEBUG=''
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[[ "$USE_COLORS" == 1 ]] && IVRB="( + )" || IVRB=''
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# Text attributes
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[[ "$USE_COLORS" == 1 ]] && FRESET="$(tput sgr0)" || FRESET='' # Normal
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[[ "$USE_COLORS" == 1 ]] && FBOLD="$(tput bold)" || FBOLD='' # Bold
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[[ "$USE_COLORS" == 1 ]] && FDIM="$(tput dim)" || FDIM='' # Dimmed
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[[ "$USE_COLORS" == 1 ]] && FLINE="$(tput smul)" || FLINE='' # Underlined
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[[ "$USE_COLORS" == 1 ]] && FENDLINE="$(tput rmul)" || FENDLINE='' # End of underlined
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[[ "$USE_COLORS" == 1 ]] && FBLINK="$(tput blink)" || FBLINK='' # Blink
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[[ "$USE_COLORS" == 1 ]] && FREV="$(tput rev)" || FREV='' # Reversed
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# Text colors - normal
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[[ "$USE_COLORS" == 1 ]] && FBLACK="$(tput setaf 0)" || FBLACK='' # Black
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[[ "$USE_COLORS" == 1 ]] && FRED="$(tput setaf 1)" || FRED='' # Red
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[[ "$USE_COLORS" == 1 ]] && FGREEN="$(tput setaf 2)" || FGREEN='' # Green
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[[ "$USE_COLORS" == 1 ]] && FYELLOW="$(tput setaf 3)" || FYELLOW='' # Yellow
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[[ "$USE_COLORS" == 1 ]] && FBLUE="$(tput setaf 4)" || FBLUE='' # Blue
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[[ "$USE_COLORS" == 1 ]] && FPURPLE="$(tput setaf 5)" || FPURPLE='' # Purple
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[[ "$USE_COLORS" == 1 ]] && FCYAN="$(tput setaf 6)" || FCYAN='' # Cyan
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[[ "$USE_COLORS" == 1 ]] && FWHITE="$(tput setaf 7)" || FWHITE='' # White
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# Text colors - bright
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[[ "$USE_COLORS" == 1 ]] && FLBLACK="$(tput setaf 8)" || FLBLACK='' # Black
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[[ "$USE_COLORS" == 1 ]] && FLRED="$(tput setaf 9)" || FLRED='' # Red
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[[ "$USE_COLORS" == 1 ]] && FLGREEN="$(tput setaf 10)" || FLGREEN='' # Green
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[[ "$USE_COLORS" == 1 ]] && FLYELLOW="$(tput setaf 11)" || FLYELLOW='' # Yellow
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[[ "$USE_COLORS" == 1 ]] && FLBLUE="$(tput setaf 12)" || FLBLUE='' # Blue
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[[ "$USE_COLORS" == 1 ]] && FLPURPLE="$(tput setaf 13)" || FLPURPLE='' # Purple
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[[ "$USE_COLORS" == 1 ]] && FLCYAN="$(tput setaf 14)" || FLCYAN='' # Cyan
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[[ "$USE_COLORS" == 1 ]] && FLWHITE="$(tput setaf 15)" || FLWHITE='' # White
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# Background colors - normal
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[[ "$USE_COLORS" == 1 ]] && FBBLACK="$(tput setab 0)" || FBBLACK='' # Black
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[[ "$USE_COLORS" == 1 ]] && FBRED="$(tput setab 1)" || FBRED='' # Red
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[[ "$USE_COLORS" == 1 ]] && FBGREEN="$(tput setab 2)" || FBGREEN='' # Green
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[[ "$USE_COLORS" == 1 ]] && FBYELLOW="$(tput setab 3)" || FBYELLOW='' # Yellow
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[[ "$USE_COLORS" == 1 ]] && FBBLUE="$(tput setab 4)" || FBBLUE='' # Blue
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[[ "$USE_COLORS" == 1 ]] && FBPURPLE="$(tput setab 5)" || FBPURPLE='' # Purple
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[[ "$USE_COLORS" == 1 ]] && FBCYAN="$(tput setab 6)" || FBCYAN='' # Cyan
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[[ "$USE_COLORS" == 1 ]] && FBWHITE="$(tput setab 7)" || FBWHITE='' # White
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# Background colors - bright
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[[ "$USE_COLORS" == 1 ]] && FBLBLACK="$(tput setab 8)" || FBLBLACK='' # Black
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[[ "$USE_COLORS" == 1 ]] && FBLRED="$(tput setab 9)" || FBLRED='' # Red
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[[ "$USE_COLORS" == 1 ]] && FBLGREEN="$(tput setab 10)" || FBLGREEN='' # Green
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[[ "$USE_COLORS" == 1 ]] && FBLYELLOW="$(tput setab 11)" || FBLYELLOW='' # Yellow
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[[ "$USE_COLORS" == 1 ]] && FBLBLUE="$(tput setab 12)" || FBLBLUE='' # Blue
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[[ "$USE_COLORS" == 1 ]] && FBLPURPLE="$(tput setab 13)" || FBLPURPLE='' # Purple
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[[ "$USE_COLORS" == 1 ]] && FBLCYAN="$(tput setab 14)" || FBLCYAN='' # Cyan
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[[ "$USE_COLORS" == 1 ]] && FBLWHITE="$(tput setab 15)" || FBLWHITE='' # White
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now() {
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echo "[$(date +'%H:%M:%S')] "
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}
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ask() {
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IFS= read -rp "$(print ${FBOLD}${FBBLUE}${FWHITE}${IASK}${FRESET}\ ${FBOLD}$1 ): " $2
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}
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print() {
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# if [ -n "$SPINNER_PID" ] && ps -p $SPINNER_PID > /dev/null; then kill $SPINNER_PID > /dev/null; fi
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echo -e "$*${FRESET}"
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}
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link() {
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echo -e "\e]8;;$2\a$1\e]8;;\a"
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}
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debug() {
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if [ "$2" ]; then
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print "${FDIM}${FBOLD}${FRESET}${FDIM}$(now)${IDEBUG} ${FUNCNAME[1]:-?}():${BASH_LINENO:-?}\t$1 " >&2
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else
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print "${FDIM}${FBOLD}${FRESET}${FDIM}$(now)${IDEBUG} $1 " >&2
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fi
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}
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var_dump() {
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debug "$1 = ${!1}"
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}
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print_stacktrace() {
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STACK=""
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local i
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local stack_size=${#FUNCNAME[@]}
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debug "Callstack:"
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# for (( i=$stack_size-1; i>=1; i-- )); do
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for (( i=1; i<$stack_size; i++ )); do
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local func="${FUNCNAME[$i]}"
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[ x$func = x ] && func=MAIN
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local linen="${BASH_LINENO[$(( i - 1 ))]}"
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local src="${BASH_SOURCE[$i]}"
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[ x"$src" = x ] && src=non_file_source
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debug " at $func $src:$linen"
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done
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}
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verbose() {
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print "${FBOLD}$(now)${IVRB}${FRESET}${FYELLOW} $1 "
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}
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info() {
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print "${FBOLD}$(now)${FWHITE}${FBLBLUE}${IINFO}${FRESET}${FWHITE} $1 "
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}
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note() {
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print "${FBOLD}$(now)${FDIM}${FWHITE}${INOTE}${FRESET} $1 "
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}
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success() {
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print "${FBOLD}$(now)${FBGREEN}${FWHITE}${ISUCCESS}${FRESET}$FGREEN $1 "
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}
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warn() {
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print "${FBOLD}$(now)${FBYELLOW}${FBLACK}${IWARN}${FRESET}${FYELLOW} Warning:${FRESET} $1 "
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}
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error() {
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print "${FBOLD}$(now)${FBLRED}${FWHITE}${IERROR} Error: ${FRESET}${FLRED} $1 " >&2
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}
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fatal() {
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print "${FBOLD}$(now)${FBRED}${FWHITE}${IFATAL} FATAL: $1 " >&2
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print_stacktrace
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}
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die() {
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error "${1:-halted}"
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exit ${2:-255}
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}
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# var='test var_dump'
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# var_dump var
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# debug 'test debug'
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# verbose 'test verbose'
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# info 'test info'
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# note 'test note'
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# success 'test success'
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# warn 'test warn'
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# error 'test error'
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# fatal 'test fatal'
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# die 'test die'
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# experiments ==============================================================================
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# spinner() {
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# local frames=('⠋' '⠙' '⠹' '⠸' '⠼' '⠴' '⠦' '⠧' '⠇' '⠏')
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# local spin_i=0
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# local interval=0.1
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# printf "\e[?25l"
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# local color="${FGREEN}"
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# while true; do
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# printf "\r ${color}%s${CL}" "${frames[spin_i]}"
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# spin_i=$(( (spin_i + 1) % ${#frames[@]} ))
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# sleep "$interval"
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# done
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# }
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# echo "lorem ipsum dolor sit amet"
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# spinner &
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# SPINNER_PID=$!
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# ===========
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# https://unix.stackexchange.com/a/269085
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# https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit
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# https://linuxcommand.org/lc3_adv_tput.php
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# https://gist.github.com/nowmilano/4055d6df5b6e4ea87c5a72dc2d604193
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# https://gist.github.com/nick3499/402a6d7dccd474f2bdb679f4311b1238
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# https://gist.github.com/connorjan/2b02126868157c2b69f9aa0a052cdc86
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# tput setaf 0
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# echo "BLACK FOREGROUND"
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# tput setaf 1
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# echo "RED FOREGROUND"
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# tput setaf 2
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# echo "GREEN FOREGROUND"
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# tput setaf 3
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# echo "YELLOW FOREGROUND"
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# tput setaf 4
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# echo "BLUE FOREGROUND"
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# tput setaf 5
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# echo "MAGENTA FOREGROUND"
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# tput setaf 6
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# echo "CYAN FOREGROUND"
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# tput setaf 7
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# echo "WHITE FOREGROUND"
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# tput reset
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# ===========
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# ===========
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# tohex(){
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# dec=$(($1%256)) ### input must be a number in range 0-255.
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# if [ "$dec" -lt "16" ]; then
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# bas=$(( dec%16 ))
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# mul=128
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# [ "$bas" -eq "7" ] && mul=192
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# [ "$bas" -eq "8" ] && bas=7
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# [ "$bas" -gt "8" ] && mul=255
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# a="$(( (bas&1) *mul ))"
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# b="$(( ((bas&2)>>1)*mul ))"
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# c="$(( ((bas&4)>>2)*mul ))"
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# printf 'dec= %3s basic= #%02x%02x%02x\n' "$dec" "$a" "$b" "$c"
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# elif [ "$dec" -gt 15 ] && [ "$dec" -lt 232 ]; then
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# b=$(( (dec-16)%6 )); b=$(( b==0?0: b*40 + 55 ))
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# g=$(( (dec-16)/6%6)); g=$(( g==0?0: g*40 + 55 ))
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# r=$(( (dec-16)/36 )); r=$(( r==0?0: r*40 + 55 ))
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# printf 'dec= %3s color= #%02x%02x%02x\n' "$dec" "$r" "$g" "$b"
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# else
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# gray=$(( (dec-232)*10+8 ))
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# printf 'dec= %3s gray= #%02x%02x%02x\n' "$dec" "$gray" "$gray" "$gray"
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# fi
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# }
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# for i in $(seq 0 255); do
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# tohex ${i}
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# done
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# ===========
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# fromhex(){
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# hex=${1#"#"}
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# r=$(printf '0x%0.2s' "$hex")
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# g=$(printf '0x%0.2s' ${hex#??})
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# b=$(printf '0x%0.2s' ${hex#????})
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# printf '%03d' "$(( (r<75?0:(r-35)/40)*6*6 +
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# (g<75?0:(g-35)/40)*6 +
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# (b<75?0:(b-35)/40) + 16 ))"
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# }
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# fromhex 00fc7b
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# ===========
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# mode2header(){
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# #### For 16 Million colors use \e[0;38;2;R;G;Bm each RGB is {0..255}
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# printf '\e[mR\n' # reset the colors.
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# printf '\n\e[m%59s\n' "Some samples of colors for r;g;b. Each one may be 000..255"
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# printf '\e[m%59s\n' "for the ansi option: \e[0;38;2;r;g;bm or \e[0;48;2;r;g;bm :"
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# }
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# mode2colors(){
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# # foreground or background (only 3 or 4 are accepted)
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# local fb="$1"
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# [[ $fb != 3 ]] && fb=4
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# local samples=(0 63 127 191 255)
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# for r in "${samples[@]}"; do
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# for g in "${samples[@]}"; do
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# for b in "${samples[@]}"; do
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# printf '\e[0;%s8;2;%s;%s;%sm%03d;%03d;%03d ' "$fb" "$r" "$g" "$b" "$r" "$g" "$b"
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# done; printf '\e[m\n'
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# done; printf '\e[m'
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# done; printf '\e[mReset\n'
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# }
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# mode2header
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# mode2colors 3
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# mode2colors 4
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# ===========
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# printf '\e[48;5;%dm ' {0..255}; printf '\e[0m \n'
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# for r in {200..255..5}; do
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# fb=4
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# g=1
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# b=1
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# printf '\e[0;%s8;2;%s;%s;%sm ' "$fb" "$r" "$g" "$b"
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# done
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# echo
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# ===========
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# color(){
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# for c; do
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# printf '\e[48;5;%dm%03d' $c $c
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# done
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# printf '\e[0m \n'
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# }
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# IFS=$' \t\n'
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# color {0..15}
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# for ((i=0;i<6;i++)); do
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# color $(seq $((i*36+16)) $((i*36+51)))
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# done
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# color {232..255}
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# ===========
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# for ((i=0; i<256; i++)) ;do
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# echo -n ' '
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# tput setab $i
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# tput setaf $(( ( (i>231&&i<244 ) || ( (i<17)&& (i%8<2)) ||
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# (i>16&&i<232)&& ((i-16)%6 <(i<100?3:2) ) && ((i-16)%36<15) )?7:16))
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# printf " C %03d " $i
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# tput op
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# (( ((i<16||i>231) && ((i+1)%8==0)) || ((i>16&&i<232)&& ((i-15)%6==0)) )) &&
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# printf "\n" ''
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# done
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# ===========
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# echo "tput character test"
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# echo "==================="
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# echo
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# tput bold; echo "This text has the bold attribute."; tput sgr0
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# tput smul; echo "This text is underlined (smul)."; tput rmul
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# # Most terminal emulators do not support blinking text (though xterm
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# # does) because blinking text is considered to be in bad taste ;-)
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# tput blink; echo "This text is blinking (blink)."; tput sgr0
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# tput rev; echo "This text has the reverse attribute"; tput sgr0
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# # Standout mode is reverse on many terminals, bold on others.
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# tput smso; echo "This text is in standout mode (smso)."; tput rmso
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# tput sgr0
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# echo
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# experiments ==============================================================================
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# function delay_spinner(){
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# ##
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# ## Usage:
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# ##
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# ## $ long-running-command &
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# ## $ delay_spinner " Please wait msg..."
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# ##
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# ## Spinner exists when long-running-command completes
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# ##
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# local PROGRESSTXT
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# if [ ! "$1" ]; then
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# PROGRESSTXT=" Please wait..."
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# else
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# PROGRESSTXT="$1"
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# fi
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# # visual progress marker function
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# # http://stackoverflow.com/users/2869509/wizurd
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# # vars
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# local pid=$!
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# local delay=0.1
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# local spinstr='|/-\'
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# echo -e "\n\n"
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# while [ "$(ps a | awk '{print $1}' | grep $pid)" ]; do
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# local temp=${spinstr#?}
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# printf "\r$PROGRESSTXT[%c] " "$spinstr"
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# local spinstr=$temp${spinstr%"$temp"}
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# sleep $delay
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# printf "\b\b\b\b\b\b"
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# done
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# printf -- '\n\n'
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# #
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# # <-- end function ec2cli_spinner -->
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# #
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# }
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# sleep 10 && echo 'test' &
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# delay_spinner "Please wait msg..."
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