* archival/bunzip2.c (bunzip2_main): Do not remove files if writing to standard
  output.
* testsuite/bunzip2/bzcat-does-not-remove-compressed-file: New.
diff --git a/testsuite/bunzip2/bzcat-does-not-remove-compressed-file b/testsuite/bunzip2/bzcat-does-not-remove-compressed-file
new file mode 100644
index 0000000..7d4016e
--- /dev/null
+++ b/testsuite/bunzip2/bzcat-does-not-remove-compressed-file
@@ -0,0 +1,3 @@
+echo foo | bzip2 >foo.bz2
+busybox bzcat foo.bz2
+test -f foo.bz2