Thank you to Ole, and Question 1 (choice of colon operators)

Friends, I want to begin by thanking Ole Tange for all his work and continuing efforts with GNU Parallel. It is a very impressive set of work. I've read over all the parallel docs, the man pages, the tutorials, the comparisons with other parallel running software, the ;login: article, and the

Question 2 (argfile input syntax)

Friends, Question 2: There are a multitude of ways to give GNU parallel arguments contained in a file. 1. cat argfile | parallel 2. parallel < argfile 3. parallel argfile 4. parallel ::: `cat argfile` 5. parallel -a argfile Am I missing any from this list? I am curious as to which you us