mirror of
https://github.com/erkin/ponysay.git
synced 2024-11-22 20:38:00 +01:00
142 lines
3.3 KiB
Bash
Executable file
142 lines
3.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Get bash script directory's parent
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INSTALLDIR="$(dirname $( cd -P "$( dirname "${BASH_SOURCE[0]}" )" && pwd ))"
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# Subscripts
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listcmd="$INSTALLDIR/lib/ponysay/list.pl"
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linklistcmd="$INSTALLDIR/lib/ponysay/linklist.pl"
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truncatercmd="$INSTALLDIR/lib/ponysay/truncater"
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quotecmd="$INSTALLDIR/lib/ponysay/pq4ps"
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qlistcmd="$INSTALLDIR/lib/ponysay/pq4ps-list.pl"
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pony="*" # Selected pony
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wrap="" # Message wrap column
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ponies=() # Selected ponies
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scrw=`(stty size <&2 || echo 0 0) | cut -d ' ' -f 2` # Screen width
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scrh=`(stty size <&2 || echo 0 0) | cut -d ' ' -f 1` # Screen height
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# KMS ponies extension
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kmscmd=""
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[ "$TERM" = "linux" ] && kmscmd=$(for c in $(echo $PATH":" | sed -e 's/:/\/ponysay2kmsponysay /g'); do if [ -f $c ]; then echo $c; break; fi done)
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[ ! "$kmscmd" = "" ] && TERM="-linux-"
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# Cowsay script
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if [ ${0} == *ponythink ]; then
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if [ "$PONYSAY_COWTHINK" = "" ]; then
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cmd=cowthink
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customcmd=0
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else
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cmd="$PONYSAY_COWTHINK"
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customcmd=1
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fi
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else
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if [ "$PONYSAY_COWSAY" = "" ]; then
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cmd=cowsay
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customcmd=0
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else
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cmd="$PONYSAY_COWSAY"
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customcmd=1
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fi
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fi
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# Pony quotes
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ponyquotes() {
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[ "$TERM" = "-linux-" ] && TERM="linux"
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"$0" ${wrap:+-W$wrap} $("$quotecmd" $@)
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}
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# Function for printing the ponies and the message
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say() {
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# Set PONYSAY_SHELL_LINES to default if not specified
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[ "$PONYSAY_SHELL_LINES" = "" ] && PONYSAY_SHELL_LINES=2
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# Height trunction, show top
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function htrunchead {
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head --lines=$(( $scrh - $PONYSAY_SHELL_LINES ))
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}
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# Height trunction, show bottom
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function htrunctail {
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tail --lines=$(( $scrh - $PONYSAY_SHELL_LINES ))
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}
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# Simplification of customisation of cowsay
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if [ $customcmd = 0 ]; then
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function cowcmd {
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pcmd='#!/usr/bin/perl\nuse utf8;'
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ccmd=$(for c in $(echo $PATH":" | sed -e 's/:/\/'"$cmd"' /g'); do if [ -f $c ]; then echo $c; break; fi done)
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if [ ${0} == *ponythink ]; then
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cat <(echo -e $pcmd) $ccmd > "/tmp/ponythink"
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perl '/tmp/ponythink' "$@"
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rm '/tmp/ponythink'
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else
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perl <(cat <(echo -e $pcmd) $ccmd) "$@"
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fi
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}
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else
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function cowcmd {
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$cmd "$@"
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}
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fi
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# KMS ponies support
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if [ "$kmscmd" = "" ]; then
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function runcmd {
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cowcmd -f "$pony" "$@"
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}
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else
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function runcmd {
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cowcmd -f <($kmscmd "$pony") "$@"
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}
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fi
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# Print the pony and the message
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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' ] || [ "$PONYSAY_BOTTOM" = '1' ]; then
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runcmd "${wrap:+-W$wrap}" | wtrunc | htrunctail
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else
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runcmd "${wrap:+-W$wrap}" | wtrunc | htrunchead
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fi
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else
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runcmd "${wrap:+-W$wrap}" | wtrunc
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fi
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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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# Parse options
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while getopts "f:W:Llhvq" OPT; do
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case ${OPT} in
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q) shift $((OPTIND - 1)); ponyquotes "$*"; exit ;;
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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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# Check for cowsay
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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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