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Re: doesn't bash do variable subst. or quote removal on function stateme


From: Chet Ramey
Subject: Re: doesn't bash do variable subst. or quote removal on function statement
Date: Mon, 11 Jan 2016 10:24:07 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.5.0

On 1/9/16 8:28 PM, Linda Walsh wrote:

>    Not in a function definition (i.e. this is broken AFAIAC in bash).

It's not.

> I.e.
>>  'func' () { :; }
> -bash: `'func'': not a valid identifier
>>  function 'func' () { : ; }
> -bash: `'func'': not a valid identifier
>>  function "func" () { :; }
> -bash: `"func"': not a valid identifier
> ---
> That's weird.  while, _maybe_ I could see the 1st one not working
> if looking for a bash keyword, but the 2nd & third forms seems odd.
> I thought variable substitution and quote-removal was supposed
> to happen before the statement is executed ??

No.  The shell doesn't perform any word expansions on the `name' when
executing a function definition command.  Since the documentation doesn't
say it performs any expansions, why would you assume it does?

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



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