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I have a text file and I need to process it according to some rules. To accomplish the task I can use multiple ways. For example I can use the linux command cut, paste, sed, awk etc. There are multiple ways to write the command used by a single utility. I want to know how can I test which choice is better. Thanks.

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    Note that for benchmarking purposes you probably better redirect the output to /dev/null in order to avoid the pure text processing performances from being contaminated with the displaying of text, which in some cases is the main time-consuming part of the processing and is more sensitive to resources availability. – Skippy le Grand Gourou Sep 8 '16 at 9:25
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Have a look at time. That should give you all the information you need.

  • Thank you! A few minutes after I posted my question I found this time utility. I'll take a look. – Just a learner Sep 8 '16 at 7:35

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