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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 'grep: Invalid range end\n' > exp
for prog in grep 'grep -E'; do
# exit status must be 2, not 1
returns_ 2 $prog '[b-a]' < /dev/null > out 2>&1 || fail=1
# Normalize the diagnostic prefix from e.g., "/mnt/dir/grep: " to "grep: "
sed 's/^[^:]*: /grep: /' out > k && mv k out
compare exp out || fail=1
done
Exit $fail
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