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#!/bin/sh
# Show that wc's new --files0-from option works.

# Copyright (C) 2006 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

if test "$VERBOSE" = yes; then
  set -x
  wc --version
fi

. $srcdir/../lang-default

pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15

framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1

echo 2 > 2b || framework_failure=1
echo 2 words > 2w || framework_failure=1
printf '2b\n2w\n' |tr '\n' '\0' > names || framework_failure=1

if test $framework_failure = 1; then
  echo "$0: failure in testing framework" 1>&2
  (exit 1); exit 1
fi

fail=0

wc --files0-from=names > out || fail=1
cat <<\EOF > exp || fail=1
 1  1  2 2b
 1  2  8 2w
 2  3 10 total
EOF

cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null

if test "$fail" = ''; then
  # Repeat the above test, but read the file name list from stdin.
  rm -f out
  wc --files0-from=- < names > out || fail=1
  cmp out exp || fail=1
  test $fail = 1 && diff out exp 2> /dev/null
fi

(exit $fail); exit $fail