[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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: Sun, 20 Jun 2021 08:08:30 -0600
User-agent: Heirloom mailx 12.5 7/5/10

Peng Yu <pengyu.ut@gmail.com> wrote:

> > 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.
> That is not correct. Reading the manual is not sufficient to ensure a
> solution is 100% correct. There can be always corner cases that only
> somebody who is familiar with the awk internal can be sure about.
> Otherwise, there wouldn't be so many partially correct solutions
> floating no the web.

You're a big boy. Read the manual, try stuff out on your own, and
figure out how things work.  And/or read the code yourself.

> >> The best solution that I figured out is just `typeof(x) == "strnum"`||
> >> typeof(x) == "number"` instead of using regex.
> >
> > That should work.
> See, if this is disagreed by the next reply.

If you mean Andy's note, there's no contradiction in what he wrote
and in the test for strnum or number.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]