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Recursion and scoping of $1, $2 and friends

by asarih (Hermit)
on Aug 29, 2003 at 16:11 UTC ( [id://287739]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    sub rev ($) {
        $_ = shift;
    ...
    #    print "in swap: $_\n";
        return $_;
    }
    
  2. or download this
    sub rev ($) {
        $_ = shift;
    ...
    #    print "in rev: $_\n";
        return $_;
    }
    

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