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  • I'm a little confused - is the X in IX telling -I that X will be the flag for replacing, or is it applying the -X flag, which seemingly also has a relevant meaning? Commented Oct 25, 2012 at 6:35
  • Hmph. I'm doing this: parallel -u -X ./handle_{}.sh ::: "1" "2" "3", and unfortunately I'm still seeing some output mangling. Commented Oct 25, 2012 at 6:43
  • the former: you can also use parallel -u ./handle_{}.sh, but I prefer to change it, since braces also have the meaning of joining together commands (as in your question). Commented Oct 25, 2012 at 6:43
  • Seems to work for me, my grep doesn’t pick up any mangling: pastie.org/5113187 (are you using the test bash scripts, or your actual Python scripts?) Commented Oct 25, 2012 at 6:49
  • The problem is that that's not actually doing anything in parallel. I'm using the bash scripts - pastie.org/5113225 Commented Oct 25, 2012 at 7:01