Re^4: (thoughts on) Detect common lines between two files, one liner from shell


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Re^4: (thoughts on) Detect common lines between two files, one liner from shell

by shmem (Chancellor)

on Jun 22, 2007 at 23:55 UTC ( [id://622930]=note: print w/replies, xml )

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in reply to Re^3: (thoughts on) Detect common lines between two files, one liner from shell
in thread Detect common lines between two files, one liner from shell

The generalized form would be (golfed down a bit) for any number of files

perl -ne'BEGIN{$p.=-$_."+"for-@ARGV+1..-1;$p.=0}print if($s{$_}.=@ARGV
+)=~/$p$/'
[download]

--shmem

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

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