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Other than the change from "6 identical lines" to "3 identical lines" and the removal of newlines, the OP is a verbatim, blatant plagiarism of this original post:

[Please enter your report here] The perl program below should print 6 identical lines, but one of them is different, which appears to be a very serious bug, perhaps in the optimization of "map". It appears to not be Solaris-specific. I also see this on Linux perl 5.6.1. $ perl <<'EOF' sub f1 { my ($f) = @_; my @z = ("$f"); for my $d (@z) {return $d} } sub f2 { my ($f) = @_; for my $d ("$f") {return $d} } sub f3 { for my $d (@_) {return $d} } print map {f1($_)} qw(x y z); print "\n"; print map {f2($_)} qw(x y z); print "\n"; print map {f3($_)} qw(x y z); print "\n"; for my $a (qw(x y z)) { print f1($a) } print "\n"; for my $a (qw(x y z)) { print f2($a) } print "\n"; for my $a (qw(x y z)) { print f3($a) } print "\n"; EOF xyz zzz xyz xyz xyz xyz

s''(q.S:$/9=(T1';s;(..)(..);$..=substr+crypt($1,$2),2,3;eg;print$..$/

In reply to Re: "map" sometimes uses only the last mapped value = PLAGIARISM by liverpole
in thread "map" sometimes uses only the last mapped value by jesuashok

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