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  1. or download this
    perl -le 'print system(qw( test -e fileThatDoesNotExist ))'
    256
    perl -le 'print system(qw( test -e .profile ))'
    0
    
  2. or download this
    open my $fh, qq(cat "$file" |)
        or die "Couldn't read '$file': $!";