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sort: make sort -o FILE FILE (same FILE) work. Closes bug 785. -3 bytes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-12-13 02:09:22 +01:00
parent 31e2e7b863
commit aa42d13e32
2 changed files with 49 additions and 20 deletions
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13
testsuite/sort.tests
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@ -27,6 +27,8 @@ egg 1 2 papyrus
999 3 0 algebra
"
# testing "description" "command(s)" "result" "infile" "stdin"
# Sorting with keys
testing "sort one key" "sort -k4,4 input" \
@ -115,4 +117,15 @@ one\0two\0three\0\
testing "sort key doesn't strip leading blanks, disables fallback global sort" \
"sort -n -k2 -t ' '" " a \n 1 \n 2 \n" "" " 2 \n 1 \n a \n"
testing "sort file in place" \
"strace -oZZZ sort -o input input && cat input" "\
111
222
" "\
222
111
" ""
# testing "description" "command(s)" "result" "infile" "stdin"
exit $FAILCOUNT