freebsd-dev/gnu/usr.bin/grep/tests/empty.sh
1999-11-22 09:32:57 +00:00

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#! /bin/sh
# test that the empty file means no pattern
# and an empty pattern means match all.
: ${srcdir=.}
failures=0
# should return 0 found a match
echo "abcd" | ${GREP} -E -e '' > /dev/null 2>&1
if test $? -ne 0 ; then
echo "Status: Wrong status code, test \#1 failed"
failures=1
fi
# should return 1 found no match
echo "abcd" | ${GREP} -E -f /dev/null > /dev/null 2>&1
if test $? -ne 1 ; then
echo "Status: Wrong status code, test \#2 failed"
failures=1
fi
# should return 0 found a match
echo "abcd" | ${GREP} -E -f /dev/null -e "abc" > /dev/null 2>&1
if test $? -ne 0 ; then
echo "Status: Wrong status code, test \#3 failed"
failures=1
fi
exit $failures