coreutils/tests/tee/basic

#!/bin/sh
# test for basic tee functionality.

# Copyright (C) 2005, 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
  tee --version
fi

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

fail=0
mkdir -p $tmp && cd $tmp || fail=1
echo line >sample || fail=1
nums=`seq 9` || fail=1

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

for n in 0 $nums; do
	files=`seq $n`
	rm -f $files
	tee $files <sample >out || fail=1
	for f in out $files; do
		cmp sample $f || fail=1
	done
done

(exit $fail); exit $fail