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Re: [bug-gawk] [bug report] gawk doesn???t work correctly when assign sp

From: Andrew J. Schorr
Subject: Re: [bug-gawk] [bug report] gawk doesn???t work correctly when assign special value to variable
Date: Sun, 9 Aug 2015 19:40:19 -0400
User-agent: Mutt/1.5.23 (2014-03-12)

On Fri, Aug 07, 2015 at 06:26:12PM +0200, Hermann Peifer wrote:
> $ gawk -v var="00e1" '$2==var{print $0, typeof(var), typeof($2)}' 1.txt
> 00e1 00e1 string strnum
> 00e2 00e4 string strnum
> Above, I just gave it a try using gawk/master which says that typeof(var) is
> string, which in return should result into a string comparison according to
> the manual. So I would also expect the comparison to fail in the 2nd line:
> $2 = 00e4/strnum is not string-equal with var = 00e1/string

I noticed the same issue.  I'm guessing it's a bug in typeof, but I'm not 
what's going on.  I guess this needs to be debugged.  The builtin.c:do_typeof 
tests for the MAYBE_NUM flag to decide whether it's a string or a strnum.
And in main.c:arg_assign, it appears that MAYBE_NUM is set for command-line
variable assignments.  But something strange is clearly happening...


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