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Re: Is there a way to get the output of a function without an extra bash


From: Eli Schwartz
Subject: Re: Is there a way to get the output of a function without an extra bash process?
Date: Sun, 10 May 2020 19:13:02 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 5/10/20 6:45 PM, Eli Schwartz wrote:
> On 5/10/20 6:43 PM, Peng Yu wrote:
>> Hi Chet, Could a new feature be added to bash so that no exec is
>> needed in the case of $(cmd). Maybe introducing a new syntax like $(:
>> cmd)?
> This syntax already does something.

An alternative syntax would be to implement ksh's

var=${ listcmd; }

which has symmetry to the other uses of () vs {} for command lists.

This should be safe to implement in bash as it's currently a "bad
substitution"...

-- 
Eli Schwartz
Arch Linux Bug Wrangler and Trusted User

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