mirror of
https://github.com/erkin/ponysay.git
synced 2024-11-25 05:47:59 +01:00
141 lines
3.3 KiB
Bash
Executable file
141 lines
3.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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version=0.10
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SYSTEMPONIES="/usr/share/ponysay/ponies"
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HOMEPONIES="${HOME}/.ponysay/ponies"
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pony="*"
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wrap=""
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if [ "$TERM" = "linux" ]; then
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SYSTEMPONIES="/usr/share/ponysay/ttyponies"
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HOMEPONIES="${HOME}/.ponysay/ttyponies"
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fi
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cmd=cowsay
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[[ ${0} == *ponythink ]] && cmd=cowthink
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version() {
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echo "ponysay v$version"
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}
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list() {
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echo "ponyfiles located in $SYSTEMPONIES:"
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ls -1 $SYSTEMPONIES | sed "s/.pony//"
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if [[ -d $HOMEPONIES ]]; then
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echo "ponyfiles located in $HOMEPONIES:"
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ls -1 $HOMEPONIES | sed "s/.pony//"
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fi
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}
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usage() {
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version
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cat <<EOF
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Usage:
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${0##*/} [options] [message]
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If [message] is not provided, reads the message from STDIN.
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Options:
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-v Show version and exit.
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-h Show this help and exit.
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-l List pony files.
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-f[name] Select a pony (either a file name or a pony name.)
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-W[column] The screen column where the message should be wrapped.
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See man ponysay(6) for more information.
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EOF
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}
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# if no stdin and no arguments then print usage and exit
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if [[ -t 0 && $# == 0 ]]; then
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usage
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exit
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fi
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say() {
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# Ponies use UTF-8 drawing characters. Prevent a Perl warning.
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export PERL_UNICODE=S
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if [ "$TERM" = "linux" ]; then
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echo -ne '\ec'
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fi
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function wtrunc
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{
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if [ "$PONYSAY_FULL_WIDTH" = 'no' ] || [ "$PONYSAY_FULL_WIDTH" = 'n' ] || [ "$PONYSAY_FULL_WIDTH" = '0' ]; then
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cat
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else
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WIDTH=`(stty size <&2 || echo 0 0) | cut -d ' ' -f 2`
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ponysaytruncater $WIDTH 2>/dev/null ||
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${HOME}/.local/bin/ponysaytruncater $WIDTH 2>/dev/null ||
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./ponysaytruncater $WIDTH 2>/dev/null ||
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cat
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fi
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}
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function htrunc
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{
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if [ "$PONYSAY_SHELL_LINES" = "" ]; then
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PONYSAY_SHELL_LINES=2
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fi
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head --lines=$(( `stty size <&2 | cut -d ' ' -f 1` - $PONYSAY_SHELL_LINES ))
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}
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if [ "$TERM" = "linux" ] || [ "$PONYSAY_TRUNCATE_HEIGHT" = 'yes' ] || [ "$PONYSAY_TRUNCATE_HEIGHT" = 'y' ] || [ "$PONYSAY_TRUNCATE_HEIGHT" = '1' ]; then
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if [ "$PONYSAY_BOTTOM" = 'yes' ] || [ "$PONYSAY_BOTTOM" = 'y' ] || [ "$PONYSAY_BOTTOM" = '1' ]; then
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exec "$cmd" -f "$pony" "${wrap:+-W$wrap}" | wtrunc | tac | htrunc | tac
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else
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exec "$cmd" -f "$pony" "${wrap:+-W$wrap}" | wtrunc | htrunc
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fi
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else
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exec "$cmd" -f "$pony" "${wrap:+-W$wrap}" | wtrunc
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fi
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}
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while getopts f:W:lhv OPT
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do
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case ${OPT} in
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v) version; exit ;;
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h) usage; exit ;;
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f) pony="$OPTARG" ;;
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l) list; exit ;;
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W) wrap="$OPTARG" ;;
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\?) usage >&2; exit 1 ;;
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esac
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done
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shift $((OPTIND - 1))
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hash $cmd &>/dev/null; if [ $? -ne 0 ]; then
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cat >&2 <<EOF
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You don't seem to have the $cmd program.
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Please install it in order to use this wrapper.
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Alternatively, symlink it to '$cmd' in anywhere in \$PATH
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if it actually exists under a different filename.
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EOF
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exit 1
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fi
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if [[ ! -f $pony ]]; then
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# Pony not a file? Search for it
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ponies=()
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[[ -d $SYSTEMPONIES ]] && ponies+=( "$SYSTEMPONIES"/$pony.pony )
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[[ -d $HOMEPONIES ]] && ponies+=( "$HOMEPONIES"/$pony.pony )
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if (( ${#ponies} < 1 )); then
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echo >&2 "All the ponies are missing! Call the Princess!"
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exit 1
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fi
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# Choose a random pony
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pony="${ponies[$RANDOM%${#ponies[@]}]}"
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fi
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if [[ -n "$*" ]]; then
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# Handle a message given via arguments
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say <<<"$*"
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else
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say
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fi
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