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Re: parallel reading

by whyxys (Initiate)
on May 11, 2006 at 01:52 UTC ( #548599=note: print w/replies, xml ) Need Help??

in reply to parallel reading

JAPH(just another perl approach),hehe:
perl -e 'map{chomp;$a[$i<3?$i:($i=0)].=$_;$i++}<>;print"@a\n";' filea +fileb filec
assumption that each file has the same number of lines, here line=3 for ease

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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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