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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-08-16 16:26:33 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2010-08-16 16:26:33 +0200
commit0d555fc951fa09b2f7efb4b445a468a4bcc262f1 (patch)
tree3354dfd48bd61168fb4245338cce00776341e266 /testsuite
parentf2860bf6d332cbbfd2d4d9afadb0148cf061fad2 (diff)
downloadbusybox-0d555fc951fa09b2f7efb4b445a468a4bcc262f1.tar.gz
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sed: make N command behave as in GNU sed
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'testsuite')
-rwxr-xr-xtestsuite/sed.tests14
1 files changed, 11 insertions, 3 deletions
diff --git a/testsuite/sed.tests b/testsuite/sed.tests
index 880fc2118..61551e31c 100755
--- a/testsuite/sed.tests
+++ b/testsuite/sed.tests
@@ -80,10 +80,18 @@ test x"$SKIP_KNOWN_BUGS" = x"" && {
# Query: how does this interact with no newline at EOF?
testing "sed n (flushes pattern space, terminates early)" "sed -e 'n;p'" \
"a\nb\nb\nc\n" "" "a\nb\nc\n"
-# N does _not_ flush pattern space, therefore c is still in there @ script end.
-testing "sed N (doesn't flush pattern space when terminating)" "sed -e 'N;p'" \
- "a\nb\na\nb\nc\n" "" "a\nb\nc\n"
}
+# non-GNU sed: N does _not_ flush pattern space, therefore c is eaten @ script end
+# GNU sed: N flushes pattern space, therefore c is printed too @ script end
+testing "sed N (flushes pattern space (GNU behavior))" "sed -e 'N;p'" \
+ "a\nb\na\nb\nc\n" "" "a\nb\nc\n"
+
+testing "sed N test2" "sed ':a;N;s/\n/ /;ta'" \
+ "a b c\n" "" "a\nb\nc\n"
+
+testing "sed N test3" "sed 'N;s/\n/ /'" \
+ "a b\nc\n" "" "a\nb\nc\n"
+
testing "sed address match newline" 'sed "/b/N;/b\\nc/i woo"' \
"a\nwoo\nb\nc\nd\n" "" "a\nb\nc\nd\n"