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260144e2a0
Since spectrum.sh was copied from zsh, the typeset -A used is zsh specific and in bash4, it is declare -A. I've fixed it and I've added a check to error out with a readable message, in red color, to tell the user to upgrade bash.
51 lines
1.4 KiB
Bash
51 lines
1.4 KiB
Bash
#!/usr/bin/env bash
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# A script to make using 256 colors in bash less painful.
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# P.C. Shyamshankar <sykora@lucentbeing.com>
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# Copied from http://github.com/sykora/etc/blob/master/zsh/functions/spectrum/
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# typeset in bash does not have associative arrays, declare does in bash 4.0+
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# https://stackoverflow.com/a/6047948
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_RED='\033[0;31m' # Red Color (For error)
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_NC='\033[0m' # No Color (To reset the terminal color)
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if [ "${BASH_VERSINFO[0]}" -lt 4 ]; then
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echo -e "${_RED}ERROR${_NC}: Sorry, you need at least bash-4.0 to run this script." >&2;
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exit 1;
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fi
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declare -Ag FX FG BG
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FX=(
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[reset]="%{^[[00m%}"
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[bold]="%{^[[01m%}" [no-bold]="%{^[[22m%}"
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[italic]="%{^[[03m%}" [no-italic]="%{^[[23m%}"
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[underline]="%{^[[04m%}" [no-underline]="%{^[[24m%}"
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[blink]="%{^[[05m%}" [no-blink]="%{^[[25m%}"
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[reverse]="%{^[[07m%}" [no-reverse]="%{^[[27m%}"
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)
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for color in {000..255}; do
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FG[$color]="%{^[[38;5;${color}m%}"
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BG[$color]="%{^[[48;5;${color}m%}"
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done
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OSH_SPECTRUM_TEXT=${OSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris}
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# Show all 256 colors with color number
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function spectrum_ls() {
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for code in {000..255}; do
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print -P -- "$code: %{$FG[$code]%}$OSH_SPECTRUM_TEXT%{$reset_color%}"
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done
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}
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# Show all 256 colors where the background is set to specific color
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function spectrum_bls() {
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for code in {000..255}; do
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print -P -- "$code: %{$BG[$code]%}$OSH_SPECTRUM_TEXT%{$reset_color%}"
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done
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}
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