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#!/bin/sh
# Case-insensitive grep with a 0-size input file would fail in grep up to 2.6.3
. "${srcdir=.}/init.sh"; path_prepend_ ../src
require_en_utf8_locale_
LC_ALL=en_US.UTF-8
export LC_ALL
echo x | returns_ 1 grep -f /dev/null || fail=1
echo x | returns_ 1 grep -if /dev/null || fail=1
echo x | returns_ 1 grep -Ff /dev/null || fail=1
echo x | returns_ 1 grep -Fif /dev/null || fail=1
returns_ 1 grep -f /dev/null < /dev/null || fail=1
returns_ 1 grep -if /dev/null < /dev/null || fail=1
returns_ 1 grep -Ff /dev/null < /dev/null || fail=1
returns_ 1 grep -Fif /dev/null < /dev/null || fail=1
Exit $fail
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