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Re: How to check if a field is a number (integer or float)?
From: |
arnold |
Subject: |
Re: How to check if a field is a number (integer or float)? |
Date: |
Sat, 19 Jun 2021 21:40:16 -0600 |
User-agent: |
Heirloom mailx 12.5 7/5/10 |
Hello.
Ed Morton <mortoneccc@comcast.net> wrote:
> You REALLY should read Effective AWK Programming, 5th Edition, by Arnold
> Robbins to learn the basics of awk and THEN if you have questions about
> how to do certain things post them to appropriate forums established for
> people to ask such questions and get answers from their peers, e.g.
> comp.lang.awk on usenet, or
> https://stackoverflow.com/questions/tagged/awk. Directly emailing the
> gawk providers every time you have a question on how to do something in
> awk is outrageously inappropriate and a waste of their time. If you look
> at the mailing list archives at
> https://lists.gnu.org/archive/html/bug-gawk/ you'll see that only you
> are doing that.
This is exactly correct. As you have been told many times: Read The Manual
and then you will no longer need to ask questions here. This will save
time for you, me and everyone else on this list.
> The best solution that I figured out is just `typeof(x) == "strnum"`||
> typeof(x) == "number"` instead of using regex.
That should work.
Arnold
Re: How to check if a field is a number (integer or float)?, Peng Yu, 2021/06/19