Re: possible bug--please help!!!

[Aharon Robbins]

Greetings. Re the below.

Please let me know what version of gawk you're using (gawk --version).

If it's not 3.1.7, then please try that version. If you are still getting
strange results, try setting

        export LC_ALL=C

from the shell and re-running.

If you *still* get strange results, then please send me (off list) a
copy of your program and a small data file that shows the results and
I'll see if I can find the problem.

Thanks,

Arnold

> Date: Wed, 13 Jan 2010 11:56:40 -0800
> From: address@hidden
> To: "address@hidden" <address@hidden>
> Subject: possible bug--please help!!!
>
> Hello!  I have never submitted a bug before so please let me know if  
> you need more details from me.
>
> Background: I am calling gawk from a script (#!/bin/gawk).  My input  
> file, as viewed from VIM, is 439 lines long.  On each line are  
> uppercase letters with no spaces.
> Example Input: ABCERFDHDSAEGJKL
>
> My desired output is a newly created line that is alphabetized and unique.
> Example Output: ABCDEFGHJKLRS
>
> In order to do this, I read input into an array, like this.
>
> gawk 'BEGIN {FS = "" ; RS = "\n"};
> {
>      for(x=1;x<=NF;x++)
>      {
>          array[x]=$x
>      };
>      asort(array);
>      for(y=1;y<=NF;y++)
>      {
>          printf"%c",array[y]
>      };
>      printf"\n"
> }
>
> For the most part, this works, except for the first time there is some  
> sort of repetition.  Occasionally, my output becomes ABCDEFGHJKLRP.   
> The last letter is swapped!  This renders my awk program completely  
> useless.  Is this a bug or am I screwing something up here?
>
> Thank you so much for your time!
>
> Best,
>
> Natt
>