File: ifdef

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diffutils 1%3A3.10-4
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#!/bin/sh
# --ifdef

# Bug reported by Robert Webb in <http://bugs.gnu.org/61193>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

fail=0

cat <<'EOF' >a
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EOF

cat <<'EOF' >b
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EOF

cat <<'EOF' >exp
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#ifndef ZZZ
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#endif /* ! ZZZ */
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EOF

returns_ 1 diff -D ZZZ a b >out 2>err || fail=1
compare exp out || fail=1

Exit $fail