1 files changed, 20 insertions, 0 deletions
diff --git a/src/sed/testsuite/uniq.sed b/src/sed/testsuite/uniq.sed
new file mode 100644
index 0000000..7ec66c4
--- /dev/null
+++ b/src/sed/testsuite/uniq.sed
@@ -0,0 +1,20 @@
+h
+
+:b
+# On the last line, print and exit
+$b
+N
+/^\(.*\)\n\1$/ {
+    # The two lines are identical.  Undo the effect of
+    # the n command.
+    g
+    bb
+}
+
+# If the @code{N} command had added the last line, print and exit
+$b
+
+# The lines are different; print the first and go
+# back working on the second.
+P
+D