unrecv

        foreach $file (@ARGV) {
        ...
          $/ = '';
          $header = <IN>;

• This is a nice idiom for reading an email header

• Normally, I would use local($/)

• In a program this size, it doesn't matter

          $header =~ s/^Received:\s+.*\n(\s+.*\n)*//mg;

• This depends on a rather important feature of regexes:

• The . symbol does not match a newline

          print OUT $header;

          $/ = "\n";
          while (<IN>) {
            print OUT;
          }
        }

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Copyright © 2005 M. J. Dominus