Re: rewriting a readonly var should exit

[Chet Ramey]

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On 12/15/15 6:12 AM, Aurelien ROUGEMONT wrote:

> Bash Version: 4.3
> Patch Level: 30
> Release Status: release
> 
> Description:
>       in the posix shell specification [1] when a script tries to to
> overwrite a readonly variable it should crash the script.
> 
> Repeat-By:
>         #!/bin/bash
>         readonly rovar="goodvalue"
>         rovar="badvalue"
>       echo "You should not see this message"
> 
> Fix:
>       the bash interpreter should exit when the readonly var is being asked
> for an overwrite

The shell exits in this case when it is running in Posix mode.

- -- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/
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