Re: name of a global variable to store the result of a function

[Eli Schwartz]

On 5/24/20 1:39 PM, João Eiras wrote:
> Use whatever variable name you want.
> But if you want to make utility code that robust and does not depend on
> magic variable names, you could pass the name of the output variable as a
> parameter, e.g.:
> 
> function do_stuff {
>   local varname="$1"
>   local result="somevalue"
>   eval "$varname=\"\$result\""
> }
> 
> myresult=
> do_stuff myresult
> echo r:$myresult
Useless use of eval, consider printf -v or declare -g instead.

-- 
Eli Schwartz
Arch Linux Bug Wrangler and Trusted User

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