The manpage says that parallel takes it's input from the command line, not stdin - e.g
parallel echo -- 1 2 3 1 2 3 I think you should be able to use xargs -P to do what you want. ** Changed in: moreutils (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1071945 Title: parallel does nothing at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/moreutils/+bug/1071945/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs