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Re: Perl Idioms Explained - && and || "Short Circuit" operators

by Zaxo (Archbishop)
on Oct 22, 2003 at 23:54 UTC ( #301427=note: print w/replies, xml ) Need Help??


in reply to Perl Idioms Explained - && and || "Short Circuit" operators

It's worth mentioning that the low precedence operators and and or work the same way, differing from && and || only in their precedence. The low precedence is useful in common idioms like parenthesis-free my $pid = open my $fh, '-|', '/path/to/cmd' or die $!;
.

After Compline,
Zaxo

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[LanX]: before digging into deep debugging ... I have a strange UTF8 problem, probably it rings a bell:
[LanX]: two utf8 strings from different sources are base64 encoded, but after joining both the umlauts in teh second get deleted
[Corion]: LanX: You can't just join two base64 strings together
[LanX]: (not a high priority bug because I can use some HTML entities in the second string)
[Corion]: base64 is padded to a multiple of 4 chars (or something)
[LanX]: misunderstanding, I joined them before converting to base64
[Corion]: Also, I would be wary of encodings and try to make really sure that both input strings are UTF-8. Maybe join the input strings from one source together to see whether they decode as bad or not
[Corion]: LanX: Then the problem should persist without encoding to base64 too ;)
[LanX]: I think it's a flag problem ... I'll produce a reprodocable example for SOPW

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