fish: Update documentation: Add another pipe example.

diff --git a/fish/guestfish.pod b/fish/guestfish.pod
index 999cc3f..e5f0bba 100644 (file)
--- a/fish/guestfish.pod
+++ b/fish/guestfish.pod
@@ -385,6 +385,7 @@ Other examples:
 
  hexdump /bin/ls | head
  list-devices | tail -1
+ tgz-out / - | tar ztf -
 
 The space before the pipe symbol is required, any space after the pipe
 symbol is optional.  Everything after the pipe symbol is just passed