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UbixOS / bin / sh / tests / execution / set-n3.0
@Charlie Root Charlie Root on 16 Jan 2018 160 bytes BSD Shell
# $FreeBSD: releng/11.1/bin/sh/tests/execution/set-n3.0 222661 2011-06-03 21:17:42Z jilles $

v=$( ($SH -nc 'for') 2>&1 >/dev/null)
[ $? -ne 0 ] && [ -n "$v" ]