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|
#!/usr/bin/env bash
version=0.7
SYSTEMPONIES=/usr/share/ponies
HOMEPONIES="${HOME}/.ponies"
pony="*"
wrap=
cmd=cowsay
[[ ${0} == *ponythink ]] && cmd=cowthink
version() {
echo "ponysay v$version"
}
list() {
echo "ponyfiles located in $SYSTEMPONIES:"
ls -1 $SYSTEMPONIES | sed "s/.pony//"
if [[ -d $HOMEPONIES ]]; then
echo "ponyfiles located in $HOMEPONIES:"
ls -1 $HOMEPONIES | sed "s/.pony//"
fi
}
usage() {
version
cat <<EOF
Usage:
${0##*/} [options] [message]
If [message] is not provided, reads the message from STDIN
Options:
-v Show version and exit
-h Show this help and exit
-l List ponyfiles.
-f[name] Select a pony (Either a filename or a pony name)
-W[column] The screen column where the message should be wrapped
EOF
}
say() {
# Ponies use UTF-8 drawing characters. Prevent a Perl warning.
export PERL_UNICODE=S
exec "$cmd" -f "$pony" "${wrap:+-W$wrap}"
}
while getopts f:W:lhv OPT
do
case ${OPT} in
v) version; exit ;;
h) usage; exit ;;
f) pony="$OPTARG" ;;
l) list; exit ;;
W) wrap="$OPTARG" ;;
\?) usage >&2; exit 1 ;;
esac
done
shift $((OPTIND - 1))
if ! hash $cmd &>/dev/null; then
cat >&2 <<EOF
You don't seem to have the $cmd program.
Please install it in order to use this wrapper.
Alternatively, symlink it to '$cmd' in anywhere in \$PATH
if it actually exists under a different filename.
EOF
exit 1
fi
if [[ ! -f $pony ]]; then
# Pony not a file? Search for it
ponies=()
[[ -d $SYSTEMPONIES ]] && ponies+=( "$SYSTEMPONIES"/$pony.pony )
[[ -d $HOMEPONIES ]] && ponies+=( "$HOMEPONIES"/$pony.pony )
if (( ${#ponies} < 1 )); then
echo >&2 "All the ponies are missing! Call the Princess!"
exit 1
fi
# Choose a random pony
pony="${ponies[$RANDOM%${#ponies[@]}]}"
fi
if [[ -n "$*" ]]; then
# Handle a message given via arguments
say <<<"$*"
else
say
fi
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