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grep: fix two bugs with -w

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Unfortunately, with !EXTRA_COMPAT, "grep -w ^str" still erroneously matches "strstr".

function                                             old     new   delta
grep_file                                           1499    1510     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2014-01-07 14:57:42 +01:00
parent 432fbd7a1a
commit cd55f2d933
2 changed files with 37 additions and 3 deletions
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12
testsuite/grep.tests
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@@ -147,6 +147,18 @@ testing "grep -w doesn't stop on 1st mismatch" \
"foop foo\n" \
""
testing "grep -w ^str doesn't match str not at the beginning" \
"grep -w ^str input" \
"" \
"strstr\n" \
""
testing "grep -w ^ doesn't hang" \
"grep -w ^ input" \
"" \
"anything\n" \
""
# testing "test name" "commands" "expected result" "file input" "stdin"
# file input will be file called "input"
# test can create a file "actual" instead of writing to stdout