my dotz
remove complex scripties
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bin/bud
-110
bin/bud
···
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#!/bin/sh -f
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#
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# pywalesque posix sh alternative.
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img() {
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[ -d "$1" ] && {
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set +f
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set -f -- "$1/"*
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int="$(shuf -i "1-$#" -n 1)"
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shift $(expr $int - 1)
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}
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[ -f "${img:=$1}" ] || exit 1
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printf '%s\n' "$img"
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}
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hex2rgb() {
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set -- "${1##\#}"
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r=${1%%????}
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g=${1##??}
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g=${g%%??}
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b=${1##????}
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r=$((0x$r))
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g=$((0x$g))
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b=$((0x$b))
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}
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mod() {
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hex2rgb "$2"
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# The operator is stored in a variable
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# which makes shellcheck freak out.
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# shellcheck disable=1102,2086
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{
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r=$((r $3 $4))
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g=$((g $3 $4))
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b=$((b $3 $4))
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}
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r=$((r > 255 ? 255 : r < 0 ? 0 : r))
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g=$((g > 255 ? 255 : g < 0 ? 0 : g))
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b=$((b > 255 ? 255 : b < 0 ? 0 : b))
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export "$1=$(printf '%02x%02x%02x' "$r" "$g" "$b")"
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}
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col() {
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cache_file=$(printf %s "$img" | base64)
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# Backticks need to be used here to fix bugs in
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# some specific POSIX shells.
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#
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# Word splitting is also intentional and safe here.
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# shellcheck disable=2046,2006
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if [ -f "$cache_dir/$cache_file" ]; then
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paleta < "$cache_dir/$cache_file" &
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else
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set -- `\
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convert "$img" \
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-alpha off \
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-resize 64x64 \
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-posterize 16 \
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-fill white \
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-colorize 30% \
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-modulate 125,175,100 \
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-unique-colors \
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txt:- |
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while IFS='# ' read -r _ _ col _; do
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i=$((i+1))
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[ "$i" -lt 11 ] && continue
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[ "$i" -gt 16 ] && continue
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printf '%s\n' "$col"
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done
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`
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# These variables are dynamically defined,
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# ignore undeclared variable warnings.
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# shellcheck disable=2154
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{
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mod bg "$2" / 4
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mod fg "$2" + 150
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mod co "$bg" + 125
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set -- "$bg" "$@" "$fg" "$co" "$@" "$fg"
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}
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printf '%s\n' "$@" | paleta &
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printf '%s\n' "$@" > "$cache_dir/$cache_file"
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fi
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}
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main() {
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mkdir -p "${cache_dir:=${XDG_CACHE_HOME:=${HOME}/.cache}/bud}"
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img "$1"
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display \
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-page 3200x \
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-sample 3200x \
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-window root \
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"$img" &
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col &
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}
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main "$1"
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bin/paleta
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bin/paleta
···
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#!/usr/bin/env bash
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#
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# paleta - change terminal colors on the fly.
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read_input() {
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[[ $1 == -v ]] && {
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printf 'paleta 1.0.0\n'
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exit
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}
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[[ $1 == -r ]] && {
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load_sequences
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exit
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}
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# Input from space separated arguments.
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[[ $1 ]] && {
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input=("$@")
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# Input from single string.
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((${#input[@]} == 1 && ${#input[0]} > 7)) &&
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read -ra input <<< "${input[*]}"
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# Input from file argument.
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(($# == 1)) && [[ -f $1 ]] &&
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IFS=$'\n ' read -d "" -ra input < "$1"
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}
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# Input from stdin.
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[[ $1 ]] || IFS=$'\n ' read -d "" -ra input </dev/stdin
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[[ $* == *-* || -z $1 && -z ${input[0]} ]] && {
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printf 'usage: paleta -r, paleta [colors], paleta file\n'
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printf ' - [colors] a space separated list of hex colors.\n'
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exit 1
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}
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}
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parse_colors() {
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((${#input[@]} > 16)) &&
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printf 'warn: Too many colors specified, ignoring past 16th.\n' >&2
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((${#input[@]} < 16)) &&
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printf 'warn: Too few colors given, repeating last color.\n' >&2
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for ((i=0; i<16; i++)); {
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[[ ${input[i]:-000000} =~ ^#?[a-fA-F0-9]{6}$ ]] || {
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printf '%s\n' "error: Color [$((i+1))] isn't a valid hex color." >&2
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exit 1
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}
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# Use the last defined color for all colors if less than
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# 16 colors were given as input.
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colors[i]=${input[i]:-${input[-1]}}
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colors[i]=\#${colors[i]//\#}
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}
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}
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make_sequences() {
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# Colors 0-15.
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for ((i=0;i<${#colors[@]};i++)) {
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sequences+="]4;${i};${colors[i]}\\"
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}
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# 10: Foreground color,
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# 11: Background color,
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# 12: Cursor Foreground color.
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# Source: https://goo.gl/KcoQgP
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sequences+="]10;${colors[15]}\\"
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sequences+="]11;${colors[0]}\\"
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sequences+="]12;${colors[15]}\\"
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# Border Background color (URxvt).
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# (VTE doesn't handle unknown sequences very well.
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# Skip this sequence if running in VTE.)
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[[ $VTE_VERSION ]] || sequences+="]708;${colors[0]}\\"
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}
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send_sequences() {
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for tty in /dev/pts/[0-9]*; do
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[[ -w $tty ]] && printf %b "$sequences" > "$tty" &
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done
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printf %b "$sequences" > "$cache_dir/colors"
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}
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load_sequences() {
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[[ -f $cache_dir/colors ]] &&
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printf %b "$(< "${cache_dir}/colors")"
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}
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main() {
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mkdir -p "${cache_dir:=${XDG_CACHE_HOME:=${HOME}/.cache}/paleta}"
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read_input "$@"
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parse_colors
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make_sequences
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send_sequences &
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}
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main "$@"