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rc/sh/colors
2022-03-18 04:26:30 -07:00

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#!/usr/bin/env bash
# YES_ZSH
# YES_BASH
# NO_DASH
# NO_ASH
colors() { ### @-
### display all combinations of foreground and background terminal colors.
### this only includes the basic 16-color palette.
### excluding boilerplate, this script is a mere 76 characters long!
###
### ![terminal colors](https://eaguru.guru/t/terminal-colors.png)
[ $# -eq 0 ] || { printf "%s\n" "$0: does not take arguments" >&2; return 1; }
printf "\e[%dm$(printf " \e[%dm mV \e[40m" {4,10}{0..7})\e[0m\n" {3,9}{0..7}
}
[ -n "${preload+-}" ] || colors "$@"