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#!/usr/bin/env bash
# Ponies use UTF-8 drawing characters. Prevent a Perl warning.
export PERL_UNICODE=S
SYSTEMPONIES=/usr/share/ponies
HOMEPONIES="${HOME}/.ponies"
cmd=cowsay
[[ ${0} == *ponythink ]] && cmd=cowthink
pony=
while getopts f:hv OPT
do
case ${OPT} in
v) echo "ponysay v0.4" ; exit;;
h) echo "-v for version, -h for this, -f to specify a ponyfile. It'll choose a random ponyfile if no argument is given." ; exit;;
f) pony=$OPTARG ;;
\?) echo "DERP"; exit;;
esac
done
# Pony not a file? Search for it
if [[ ! -f $pony ]]; then
# Pony not set? Choose all
[[ -z $pony ]] && pony="*"
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
exec "$cmd" -f "$pony"
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