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| author | Guillermo Ramos | 2019-06-14 12:46:40 +0200 |
|---|---|---|
| committer | Guillermo Ramos | 2019-06-14 12:47:41 +0200 |
| commit | 1fe6307f2d4a49ab0cb97b2a912d9a57a9a3d9a3 (patch) | |
| tree | 6cad17fb2495185d40bf2264d916f481f104d101 /012/ch2.pl | |
| parent | 89aaa58e0df44a6a731411d6bf025e9cf1855a4c (diff) | |
| download | perlweekly-1fe6307f2d4a49ab0cb97b2a912d9a57a9a3d9a3.tar.gz | |
[012#2] Usage
Diffstat (limited to '012/ch2.pl')
| -rwxr-xr-x | 012/ch2.pl | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -32,4 +32,9 @@ sub commonPath { : join "/", @common; } -print commonPath(@ARGV), "\n"; +# CLI usage +if (@ARGV) { + print commonPath(@ARGV), "\n"; +} else { + print "Usage: $0 path1 path2 ...\n"; +} |