Re: [Scheme-reports] command-line
Aleksej Saushev 08 Apr 2012 17:35 UTC
Emmanuel Medernach <emmanuel.medernach@gmail.com> writes:
> On Wed, Apr 4, 2012 at 9:18 PM, Aaron W. Hsu <arcfide@sacrideo.us> wrote:
>
> I know that you can get the argv[0] from the environment, but without
> being tied somehow to the program execution, it is not apparent to me
> whether COMMAND-LINE even makes sense. That is, I am imagining an
> embedded Scheme that runs as the scripting language of some other
> application. Here one might not have explicit access to the argv
> structure, but then would it even make senses to populate the
> COMMAND-LINE with anything?
>
> Is the unreliability of /proc/self/cmdline really a problem ?
Not at all. :)
lithium$ ls /proc
lithium$
> AFAK, "ps" uses /proc/<pid>/cmdline to access the command line
> arguments of processes.
No, you're wrong, it uses libkvm.
> If you need arguments, you may provide a "<your scheme>-init" function like this for instance:
> (define (<your scheme>-init . args) ...)
>
> which let your users to arbitrarily fill the command line passed to your underlying Scheme.
> I don't know if other people agree with this. But again, you are free not to implement the "process-context" library.
--
HE CE3OH...
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