Re: [Vala] spawn_command_line_asyn with dinamic variable

[Luca Dionisi <luca dionisi gmail com>]

If you want to put a variable into a string you have to put a @-sign before
the leading "-sign.


On Mon, Mar 31, 2014 at 4:04 AM, Estu Fardani <andro medh4 gmail com> wrote:

> hi,
> i just want to run command like bashscript. so i can put dinamyc variable.
> this my sample bash script
>
> #!/bin/bash
> STR=brasero
> apt-get install $STR -y
>
> and this my vala code
>
> public static JSCore.Value installapp (Context ctx,
> JSCore.Object function,
> JSCore.Object thisObject,
> JSCore.Value[] arguments,
> out JSCore.Value exception) {
>  exception = null;
>
> var nama = "brasero";
>
> //run program with root previlage or run gksudo, its show a box root
> try {
> Process.spawn_command_line_async ("sudo apt-get install $nama -y");
> } catch (SpawnError e) {
> stdout.printf ("Error: %s\n", e.message);
> }
> return new JSCore.Value.undefined (ctx);
> }
>
> but when i run the program, i got this message :
> *Reading package lists... Done*
> *Building dependency tree       *
> *Reading state information... Done*
> *E: Unable to locate package $nama*
> *E: Couldn't find any package by regex '$nama'*
>
> did I missing something?
>
> this my github :
> https://github.com/tuanpembual/Testing/blob/master/app.vala#L62
>
> thanks a lot of.
>
> - Estu Fardani -
> +62 856 432 14898
> Linux Blog: http://tuanpembual.wordpess.com<
> http://tuanpembual.wordpress.com>
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