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Re: Pattern matching in perl [short-circuit and declared vs. defined]

by kcott (Archbishop)
on Jun 30, 2022 at 18:30 UTC ( [id://11145206]=note: print w/replies, xml ) Need Help??

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  1. or download this
    $ perl -E 'my $pattern; say +(defined($pattern)) ? "YES" : "NO"'
NO
...

$ perl -E 'my $true = 1; my $pattern; say +(defined($pattern) || $true
+) ? "YES" : "NO"'
YES

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