Re: awk bug

[Aharon Robbins]

Greetings.  Re this:

> From: Larry Auton <address@hidden>
> To: address@hidden
> Subject: awk bug
> Date: Fri, 17 Aug 2001 16:59:52 -0400 (EDT)
>
> I realize that the order of evaluation is "questionable" here

Yes, that's true.

> but this seems like a bug
>
> $ awk --version|sed 1q
> GNU Awk 3.0.6
> $ awk '
> END {
>         i    = 1;
>         a[1] = 8;
>         print i" "a[1]" "a[i++];
> }' /dev/null | od -c
> 0000000 320       8       8  \n
> 0000006
>
> The first output byte = octal 320 looks like a corrupt stack.
>
> N.B> changing the " " (quoted space) to a "," (comma) makes the
>      problem disappear.
>
> I tried this under 3.1.0 and it doesn't exhibit the problem.

This is a bug, and it was fixed for the 3.1.0 release.

As 3.1.0 is the current version, and as it doesn't exhibit the
problem, the solution is simply to upgrade.  I don't intend to
do any more patches for the 3.0.x gawk line.

Thanks for the bug report.

Arnold