On Tue, Aug 02, 2016 at 12:16:13AM -0400, grarpamp wrote: > It's not posix sh(1) compatible, nor appear need any bashism. Not related to the original code. Is this SEGV compliant with anything? sendmail is link to procmail. $sendmail -- root a # CTL-D Segmentation fault It breaks at least mutt + procmail for local delivery.