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-rwxr-xr-xtests/split/guard-input33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/split/guard-input b/tests/split/guard-input
new file mode 100755
index 000000000..7a6fba3f5
--- /dev/null
+++ b/tests/split/guard-input
@@ -0,0 +1,33 @@
+#!/bin/sh
+# ensure split doesn't overwrite input with output.
+
+# Copyright (C) 2012 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/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+print_ver_ split
+
+seq 10 | tee exp-1 > xaa
+ln -s xaa in2
+ln xaa in3
+
+split -C 6 xaa && fail=1
+split -C 6 in2 && fail=1
+split -C 6 in3 && fail=1
+split -C 6 - < xaa && fail=1
+
+compare exp-1 xaa || fail=1
+
+Exit $fail