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colors.sh
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colors.sh
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#!/bin/sh
#
# Copyright (C) 2016 Peter Kenji Yamanaka
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
print_spaces()
{
for _ in $(seq 1 $((14 + ${#t}))); do
printf -- " "
done
}
print_padded_labels()
{
for num in 40m 41m 42m 43m 44m 45m 46m 47m; do
printf "%s" "${num}"
for _ in $(seq 1 $((${#t} + 2))); do
printf " "
done
done
}
print_colors()
{
echo
for fgcs 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
fgc=$(printf -- "%s" "${fgcs}" | sed 's/ //g')
printf " %s \033[%s %s " "${fgcs}" "${fgc}" "$t"
for bgc in 40m 41m 42m 43m 44m 45m 46m 47m; do
printf " \033[%s\033[%s %s \033[0m" \
"${fgc}" "${bgc}" "$t"
done
echo
unset fgc
done
}
main()
{
t= # The test text
if [ $# -eq 0 ]; then
t='gYw'
else
t="$1"
fi
print_spaces
print_padded_labels
print_colors
unset t
}
main "$@"