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#!/bin/sh
# Check that grep skips reading in some cases.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
fail=0
echo /dev/null >exp || framework_failure_
for opts in '-m0 y' '-f /dev/null' '-v ""'; do
for matcher in '' -E -F; do
for file in /dev/null no-such-file; do
eval returns_ 1 grep $opts $matcher no-such-file > out || fail=1
compare /dev/null out || fail=1
eval returns_ 1 grep -l $opts $matcher /dev/null > out || fail=1
compare /dev/null out || fail=1
done
eval returns_ 1 grep -L $opts $matcher /dev/null > out || fail=1
compare exp out || fail=1
eval returns_ 1 grep -L $opts $matcher /dev/null > /dev/null || fail=1
done
done
Exit $fail
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