Apologies for the delayed response. Didn't realize wisecracker responded.
Yes wisecracker, when I first posted my query, all the files were in the current directory. The 3 steps process of first sorting the 2 files and saving into other files, followed by applying "comm" command on the sorted files succeeded.
I tried all the commands again, this time the "comm" also worked. I was puzzled how it worked this time.
My guess is when I first posted my query, as RudiC pointed I didn't apply "process substitution"; later when I did, I guess someone else removed those files from my current directory during that time that I didn't realize.
Please see below:
Thank you RudiC for the tip, Don for clarification and wisecracker for prompting me to check if the files exist. Thank you all.
Last edited by Don Cragun; 08-17-2017 at 01:17 AM..
Reason: Edit tags again. Solved is a thread tag, not a text tag. <Code>/</Code> -> [Code]/[/Code].
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Server version: Apache/2.4.12 (Unix)
Server built: May 25 2015 04:58:27
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so_module (static)
http_module (static)
mpm_worker_module (static)
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