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#!/bin/bash
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
echo -e "one-A\none-B" > file1
echo -e "two-A\ntwo-B" > file2
testing "tac" "tac && echo yes" "one-B\none-A\nyes\n" "" "one-A\none-B\n"
testing "tac -" "tac - && echo yes" "one-B\none-A\nyes\n" "" "one-A\none-B\n"
testing "tac file1 file2" "tac file1 file2" "one-B\none-A\ntwo-B\ntwo-A\n" "" ""
testing "tac - file" "tac - file1" "zero-B\nzero-A\none-B\none-A\n" "" "zero-A\nzero-B\n"
testing "tac file -" "tac file1 -" "one-B\none-A\nzero-B\nzero-A\n" "" "zero-A\nzero-B\n"
testing "tac file1 notfound file2" \
"tac file1 notfound file2 2>stderr && echo ok ; tac stderr; rm stderr" \
"one-B\none-A\ntwo-B\ntwo-A\ntac: notfound: No such file or directory\n" "" ""
testing "tac no trailing newline" "tac -" "defabc\n" "" "abc\ndef"
# xputs used by tac does not propagate this error condition properly.
#testing "tac > /dev/full" \
# "tac - > /dev/full 2>stderr && echo ok; cat stderr; rm stderr" \
# "tac: write: No space left on device\n" "" "zero\n"
#
rm file1 file2
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