How can I write "print $F[4] if exists $F[4]" even simpler?
- From: jidanni@xxxxxxxxxxx
- Date: Fri, 05 Mar 2010 03:46:00 +0800
How can I write
print $F[4] if exists $F[4];
even simpler?
print if exists for $F[4];
print if exists $_ for $F[4];
don't work.
.
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