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Add usage and version functions

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Jan Alexander Steffens (heftig) 2012-02-26 20:01:22 +01:00
parent 729ac65c7f
commit 9e222c3d09
1 changed files with 23 additions and 7 deletions
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30
ponysay
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@ -1,23 +1,36 @@
#!/usr/bin/env bash
# Ponies use UTF-8 drawing characters. Prevent a Perl warning.
export PERL_UNICODE=S
version=0.4
SYSTEMPONIES=/usr/share/ponies
HOMEPONIES="${HOME}/.ponies"
pony=
cmd=cowsay
[[ ${0} == *ponythink ]] && cmd=cowthink
pony=
version() {
echo "ponysay v$version"
}
usage() {
version
echo
echo "Usage:"
echo "${0##*/} [options]"
echo
echo "Options:"
echo " -v Show version and exit"
echo " -h Show this help and exit"
echo " -f[name] Select a pony (Either a filename or a pony name)"
}
while getopts f:hv OPT
do
case ${OPT} in
v) echo "ponysay v0.4" ; exit;;
h) echo "-v for version, -h for this, -f to specify a ponyfile. It'll choose a random ponyfile if no argument is given." ; exit;;
v) version; exit ;;
h) usage; exit ;;
f) pony=$OPTARG ;;
\?) echo "DERP"; exit;;
\?) usage; exit 1 ;;
esac
done
@ -41,4 +54,7 @@ if [[ ! -f $pony ]]; then
pony="${ponies[$RANDOM%${#ponies[@]}]}"
fi
# Ponies use UTF-8 drawing characters. Prevent a Perl warning.
export PERL_UNICODE=S
exec "$cmd" -f "$pony"