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Re: FIELDWIDTHS helper

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From Kaz Kylheku <643-408-1753@kylheku.com>
Newsgroups comp.lang.awk
Subject Re: FIELDWIDTHS helper
Date Sun, 10 Aug 2025 19:51:17 -0000 (UTC)
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On 2025-08-10, Ed Morton <mortonspam@gmail.com> wrote:
> On 8/6/2025 4:23 AM, Bruce wrote:
>> The other day I found myself unable to count field sizes accurately so I
>> wrote this little helper.
>> 
>> NR == 1 { # Pick a line
>>      print
>>      nf = split(FIELDWIDTHS, fw)
>>      for (i = 1; i <= nf; i++)
>>          for (j = 1; j <= fw[i]; j++)
>>              printf "%d", (i % 10)
>>      print ""
>> }
>
> FWIW you could do that without nested loops and without using 
> FIELDWIDTHS so it'll work in any POSIX awk, not just gawk:

But I suspect that the program is intended to be a helper
when developing a program that uses FIELDWIDTHS.

Your portable example is no longer testing/displaying what the value of
FIELDWIDTHS is doing against the input data.

-- 
TXR Programming Language: http://nongnu.org/txr
Cygnal: Cygwin Native Application Library: http://kylheku.com/cygnal
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Thread

FIELDWIDTHS helper Bruce <07.013@scorecrow.com> - 2025-08-06 10:23 +0100
  Re: FIELDWIDTHS helper Ed Morton <mortonspam@gmail.com> - 2025-08-10 14:25 -0500
    Re: FIELDWIDTHS helper Kaz Kylheku <643-408-1753@kylheku.com> - 2025-08-10 19:51 +0000
      Re: FIELDWIDTHS helper gazelle@shell.xmission.com (Kenny McCormack) - 2025-08-10 21:34 +0000
        Re: FIELDWIDTHS helper Kaz Kylheku <643-408-1753@kylheku.com> - 2025-08-11 04:10 +0000
          Re: FIELDWIDTHS helper Bruce <07.013@scorecrow.com> - 2025-08-15 08:14 +0100
  Re: FIELDWIDTHS helper Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2025-08-11 11:51 +0200

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