When running under -T it will also make an untainted copy of the contents of $this_in in $this_mail (presuming $this_in was from a tainted source)</nit> 

$ perl -MScalar::Util=tainted -lT -e '($o)=$ENV{PWD}=~/(.*)/gio;print 
+tainted( $_ ) for ( $o, $ENV{PWD} )'
0
1

[download]

(Not that that's the case here, but saying it's just a copy assignment isn't universally true . . .)

Update: And before someone else outpedants me, as toolic points out above that should really be "... an untainted copy up to the first newline of the contents ..." :)

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^2: Can someone help me to explain the code below by Fletch
in thread Can someone help me to explain the code below by anakin30

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