Um, do it in such a way as to not require that :)

For example see TFMail,

or use four argument open $fh, '-|', 'sendmail', $arg, $arg, $arg, $arg

or use String::ShellQuote

In reply to Re: Dangerous Characters for system calls (sendmail) by Anonymous Monk
in thread Dangerous Characters for system calls by derekstucki

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