Add a test for the 'P' command and fix current implementation so it

doesnt permanently modify the pattern space.

1 files changed, 10 insertions, 0 deletions

diff --git a/testsuite/sed/sed-write-to-stdout b/testsuite/sed/sed-write-to-stdout
new file mode 100644
index 000000000..95b4d724b
--- /dev/null
+++ b/testsuite/sed/sed-write-to-stdout
@@ -0,0 +1,10 @@
+busybox sed -n 'N;P;p'>output <<EOF
+a
+b
+c
+EOF
+cmp -s output - <<EOF
+a
+a
+b
+EOF