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#!/bin/sh
#
# A non-bash version of
#
# http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html
#
# Original author:
# https://lobste.rs/s/uyw4pq/lobsters_battlestations_screenshots#c_5qrnht
text=${1:-gYw}
textwidth=$((${#text} < 3 ? 3 : ${#text}))
printtable () {
printf '\n%8s' ' '
for bg in $(bgs); do
printcol '' $bg ''
done
printf '\n'
for fg in $(fgs); do
printrow $fg
printrow 1\;$fg
done
printf '\n'
}
printcol () {
printf "%s %${textwidth}s %s " "${@}"
}
printrow () {
printf '%6s ' "${1}"
for bg in $(bgs); do
printf "\033[%s\033[%s %${textwidth}s \033[0m " "${1}" $bg "${text}"
done
printf '\n'
}
bgs () {
(printf 49\\n; seq 40 47) | sed s/$/m/
}
fgs () {
(printf 39\\n; seq 30 37) | sed s/$/m/
}
printtable
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