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Re: Or Operator

by thor (Priest)
on Jul 31, 2004 at 14:27 UTC ( #378920=note: print w/replies, xml ) Need Help??

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  1. or download this
    perl -le '$a = undef or 1; print $a'             
    perl -le '$a = undef || 1; print $a'
    
  2. or download this
    perl -le '($a = undef) or "foo"; print $a'
    
  3. or download this
    perl -le '$a = (undef or "foo"); print $a'
    

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[Corion]: A good morning!
[Discipulus]: good morning Corion!
[Corion]: I spent parts of yesterday digging into Filter::Simple to make it not change the line numbers of unfiltered code, but I think I need regex help (which will come in a SoPW I guess). I tried @lines = /((?:"...."|[^" \n]+)\n)/gs, but that matched on...
[Corion]: ... foo "\0\0\0\n" bar\n by matching the first \n instead of matching the four-bytes-in- double-quotes part
[Corion]: ... and I still don't understand why ;)

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