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colors.sh
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colors.sh
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#!/usr/bin/env bash
#
# This file echoes a bunch of color codes to the
# terminal to demonstrate what's available. Each
# line is the color code of one forground color,
# out of 17 (default + 16 escapes), followed by a
# test use of that color on all nine background
# colors (default + 8 escapes).
#
set -euo pipefail
TEXT='gYw'
echo -e "\n 40m 41m 42m 43m\
44m 45m 46m 47m"
for FGs in ' m' ' 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} ${TEXT} "
for BG in 40m 41m 42m 43m 44m 45m 46m 47m; do
echo -en " \033[${FG}\033[${BG} ${TEXT} \033[0m"
done
echo
done
echo