[sf-perl] amusing bug

David Fetter david at fetter.org
Tue May 4 11:39:29 PDT 2010

On Tue, May 04, 2010 at 11:32:36AM -0700, David Alban wrote:
> it's so easy to miss the error in:
>      $line =~ s{ s+ \z }{}xms;
> when you expect to see:
>      $line =~ s{ \s+ \z }{}xms;
> i wondered why one of the lines was having its last character stripped
> but the others were ok.
> /me goes to get more caffiene

This is why I use multi-line regexes for even the most trivial-seeming
things :)

David (who could well have missed the difference between s and \s, but
likes to think he'd have had a slightly easier time debugging same
than with the one-liner)
David Fetter <david at fetter.org> http://fetter.org/
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