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# $FreeBSD: releng/12.1/bin/sh/tests/parameters/mail1.0 213738 2010-10-12 18:20:38Z obrien $
# Test that a non-interactive shell does not access $MAIL.
goodfile=/var/empty/sh-test-goodfile
mailfile=/var/empty/sh-test-mailfile
T=$(mktemp sh-test.XXXXXX) || exit
MAIL=$mailfile ktrace -i -f "$T" ${SH} -c "[ -s $goodfile ]" 2>/dev/null
if ! grep -q $goodfile "$T"; then
# ktrace problem
rc=0
elif ! grep -q $mailfile "$T"; then
rc=0
fi
rm "$T"
exit ${rc:-3}
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