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Re: [bug-gawk] fatal: cannot assign to arbitrary elements of SYMTAB
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From: |
Andrew J. Schorr |
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Subject: |
Re: [bug-gawk] fatal: cannot assign to arbitrary elements of SYMTAB |
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Date: |
Wed, 17 Apr 2019 09:09:12 -0400 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi,
On Tue, Apr 16, 2019 at 04:05:25PM -0500, Peng Yu wrote:
> The following command used to work. But it stops working in "GNU Awk
> 5.0.0, API: 2.0 (GNU MPFR 4.0.2, GNU MP 6.1.2)".
>
> $ awk -e 'BEGIN { SYMTAB["foo"] = "1"; print SYMTAB["foo"] }'
> awk: cmd. line:1: fatal: cannot assign to arbitrary elements of SYMTAB
Why is this program better than:
bash-4.2$ ./gawk -e 'BEGIN { SYMTAB["foo"] = "1"; print foo }'
1
> Is there anything that can be done to get the original behavior? Thanks.
Why? How is it better than my revised version above which continues
to work fine? What's the usage case for assigning to arbitrary variable
names that are never used in the program?
Regards,
Andy