On Tue 08/06/10 08:34, "Graham Cox" graham....@bigpond.com wrote: > > On 08/06/2010, at 4:21 PM, John Joyce wrote: > > > which > > > > and that will let you locate the actual path of the > command line tool you want to use. (pass that path to your next > NSTask) > > Ok... but doesn't that just displace the problem one step? How do I find > the path to <which> without being able to run <which> > reliably?
'which' is generally a shell built-in command, although it does also exist as a stand-alone binary in /usr/bin. What you're asking is actually more a Unix system programming question. In Unix you'd do a fork()/exec(), knowing that the $PATH environment variable will contain /usr/bin. In Cocoa, from what I gather, you use NSTask instead of fork()/exec(), and NSProcessInfo:environment to access/check $PATH. You probably don't need to bother with 'which', I assume that NSTask uses $PATH as well (correct me if I'm wrong). -- Guillaume http://telegraph-road.org _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
