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Answer: Can I make recursive calls to subroutines?

by chromatic (Archbishop)
on May 12, 2000 at 18:47 UTC ( #11280=categorized answer: print w/replies, xml ) Need Help??

Q&A > subroutines > Can I make recursive calls to subroutines? - Answer contributed by chromatic

Yes. Perl will even warn you if the recursion stack gets too deep (I'm currently around 200,000 calls).
use strict; sub head_for_the_deep { my $depth = shift; print "Sinking to level $depth.\n"; head_for_the_deep($depth + 1); } head_for_the_deep(0);

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[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
[Corion]: "flag problem" to me sounds like "contains UTF-8 bytes but was never properly decoded to an UTF-8 string"
[LanX]: not my code ...
[choroba]: yeah, sounds like one of the strings is not flagged as UTF-8
[choroba]: which usually means its input wasn't handled correctly

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