unless( my $pid= open( STDOUT, "|-"))
  { while( <STDIN>)
      { chomp; s/(.*)/qq{$1}. "= " . eval($1) ."\n"/e; print; } 
    exit;
  } 
   
     
print "2+2\n";

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In reply to RE: Adding 2 + 2 by mirod
in thread Adding 2 + 2 by merlyn

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