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  • Thank You. The Script file worked for me. But I assigned like this var=$1. Commented Aug 10, 2018 at 12:29
  • how do you specify the infile inside the script file itself? Commented May 25, 2022 at 17:13
  • @ychaouche By taking the first or second command in this answer and making that into a shell script (which just means adding #!/bin/sh as the first line and making the file executable). Commented May 25, 2022 at 17:34
  • thanks @Kusalananda. I out there's another solution where you set ARGV[1] and ARGC to 2 inside the BEGIN block. Source Commented May 26, 2022 at 11:56
  • @ychaouche If that works for you, then go with that. It's an unusual and awkward way to misuse the internal command line argument variables, and I would never suggest writing code like that. Commented May 26, 2022 at 12:04