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  1. or download this
    if ($fi eq "\n") ## WRONG in this case
{
 exit;
}
  2. or download this
    use warnings;
use strict;
...
if ( $fi eq "\n" ) {
    exit;
}
  3. or download this
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not ok 1 - should fail
...
# '
1..1
# Looks like you failed 1 test of 1.