Rewrite run: 
sub run {
  my $cmd_out;
  $cmd_out = `gcc code.cpp`;
  $? and warn $cmd_out;
  print `a.out`; # Note that you had a slash in your call.
  $? and warn "a.out had error";
}

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We're not really tightening our belts, it just feels that way because we're getting fatter.

In reply to Re: How to use system command in perl script? by Roy Johnson
in thread How to use system command in perl script? by littlefishr

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