Am 05.10.21 um 21:38 schrieb Jeff King: > Right, that works. It does introduce an extra awk process per > invocation, though I doubt that really matters all that much. The diff I > showed in my earlier response works totally in shell, like the current > test_seq(). In my mind, test is an external command. Wikipedia [1] says it has been a builtin since the early 80ies, and I couldn't find a shell without it. I wonder where I picked up that outdated assumption -- I'm not actually _that_ old. Time for an update.. René [1] https://en.wikipedia.org/wiki/Test_(Unix)
