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    #!usr/bin/perl
use warnings;
...

print @text, "\n";
print @ARGV, "\n";
  2. or download this
    #!usr/bin/perl
use warnings;
...
my @text = grep /important/, contents 'contents2';
print @text, "\n";
print @ARGV, "\n";
  3. or download this
    #!usr/bin/perl
use warnings;
...
my @text = grep /important/, contents 'contents3';
print @text, "\n";
print @ARGV, "\n";
  4. or download this
    #!usr/bin/perl
use warnings;
...

print @text, "\n";
print @ARGV, "\n";
  5. or download this
    #!usr/bin/perl
use warnings;
...

print @text, "\n";
print @ARGV, "\n";
  6. or download this
    #!usr/bin/perl
use warnings;
...
print @text, "\n";
print @ARGV, "\n";