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$ file -i *.pl 18.clone.pl: text/x-perl; charset=us-ascii 1.a.pl: text/x-perl; charset=utf-8 ... 4.ping3a.pl: text/x-perl; charset=us-ascii 5.ping3a.pl: text/x-perl; charset=us-ascii $
$ ./1.a.pl 3.haukex.pl argv is 3.haukex.pl before decode is 3.haukex.pl ... $$range[0]-1 .. $$range[2]-1 ] }