Re: [Help-bash] Is there a way to make variables used in a sourced script local to the script being sourced, so that the variables will not be available in the script where the "source" command is called?

[Peng Yu]

On Sun, Jun 7, 2015 at 9:44 PM, Dan Douglas <address@hidden> wrote:
> On Sun, Jun 7, 2015 at 9:11 PM, Peng Yu <address@hidden> wrote:
>> Is there a way to make variables used in a sourced script local to the script
>> being sourced, so that the variables will not be available in the script
>> where the "source" command is called?
>
> Don't put code outside of functions in sourced scripts. Put all library code
> into functions, source the file, then call the functions.

But then the function is available in the script where the source
command is called. I don't want this function either.

> You may pass positional parameters to a sourced script as well as export
> variables to the environment of the source command, but if you just keep
> everything confined to functions then neither of those are useful. Example of
> both:
>
> $ bash 3<<\EOFB <<\EOFA
> typeset +x x=${FUNCNAME[0]}
> echo "$x, $*"
> EOFB
> function f {
>    typeset x=${FUNCNAME[0]}
>    x= command . /dev/fd/3 4 5 6; echo "$x, $*"
> }
> f 1 2 3
> EOFA
> source, 4 5 6
> f, 1 2 3



-- 
Regards,
Peng