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#!/bin/sh
# Ensure that an invalid range like [b-a] evokes exit status of 2.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
fail=0
printf 'Invalid range end\n' > exp
for prog in grep egrep 'grep -E'; do
$prog '[b-a]' < /dev/null > out 2>&1
# exit status must be 2, not 1
test $? = 2 || fail=1
# Remove "program_name: " prefix from actual output.
sed 's/^[a-z]*: //' out > k && mv k out
compare exp out || fail=1
done
Exit $fail
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