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Merge pull request #15 from L-four/master

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Print usage and exit when no stdin and no arguments are present
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maandree 2012-05-08 05:15:06 -07:00
commit a018192fa0
1 changed files with 6 additions and 0 deletions
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@ -45,6 +45,12 @@ Options:
EOF
}
# if no stdin and no argumrnts then print usage and exit
if [[ -t 0 && $# == 0 ]]; then
usage
exit
fi
say() {
# Ponies use UTF-8 drawing characters. Prevent a Perl warning.
export PERL_UNICODE=S