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| #! /bin/bash | |
| n=32 | |
| arg=setaf | |
| text='Hello World! This is %s %d' | |
| _help() | |
| { | |
| printf 'usage: %s [--help|-H] [--16] [--256] [-t|--tiny] [--background|-b]\n' "$(basename $0)" | |
| exit 0 | |
| } | |
| while (( $# > 0 )) | |
| do | |
| case "$1" in | |
| 256|--256|-256) | |
| n=256 | |
| shift | |
| ;; | |
| 16|--16|-16) | |
| n=16 | |
| shift | |
| ;; | |
| --background|-b) | |
| arg=setab | |
| shift | |
| ;; | |
| --tiny|-t) | |
| text='█' | |
| shift | |
| ;; | |
| --help|-H) | |
| _help | |
| ;; | |
| --*|-*) | |
| _help | |
| ;; | |
| esac | |
| done | |
| for f in $(seq $n) | |
| do | |
| tput $arg $f | |
| printf "$text" $arg $f | |
| tput sgr0 | |
| if (( f % 16 == 0 )) || [[ "$arg" == 'setab' ]] || [[ "$text" != '█' ]] | |
| then | |
| printf '\n' | |
| fi | |
| done |
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