freebsd-dev/bin/sh/tests/expansion/set-u3.0

# $FreeBSD$

set -u
unset x
v=$( (eval ': $((x))') 2>&1 >/dev/null)
[ $? -ne 0 ] && [ -n "$v" ]
sh: Apply set -u to variables in arithmetic. Note that this only applies to variables that are actually used. Things like (0 && unsetvar) do not cause an error. Exp-run done by: pav (with some other sh(1) changes) 2011-05-04 22:12:22 +00:00			`# $FreeBSD$`

			`set -u`
			`unset x`
			`v=$( (eval ': $((x))') 2>&1 >/dev/null)`
			`[ $? -ne 0 ] && [ -n "$v" ]`