I don't think that you can capture stdout. You need to create a pipe and redirect your script's output there. And then read from that pipe, parse and update your progress indicator. A good starting point is here: http://www.cocoadev.com/index.pl?NSPipe
On Mon, Jul 21, 2008 at 11:56 AM, Yann Disser <[EMAIL PROTECTED]> wrote: > Thanks for your reply. > > Hmm, the subject is rather ill chosen. (I started to write the mail and then > looked a little more into NSPipe before finishing it) My script actually > writes to stdout. > > What I am trying to figure out, is how to respond right away to every single > line that is written on stdout without waiting for the process to be > finished. > > Perhaps I got something wrong... > > Thanks, > Yann > > On 21. Jul 2008, at 0:38, Jens Alfke wrote: > >> >> On 20 Jul '08, at 9:37 AM, Yann Disser wrote: >> >>> I am trying to execute a ruby script from within a Cocoa application. I >>> want to use NSTask (any better ideas?). >> >> You can use the Ruby C API to run Ruby inside your process, but that's >> definitely more work. >> >>> My scripts outputs its progress by printing single lines on standard out >>> containing percentages (e.g. "15%"). How can I update my application >>> continuously depending on that progress? (for progress bars and other >>> output) >> >> Your subject implies you're writing to a file; don't do that. The Ruby >> script should write to stdout, and you app should hook up an NSPipe to the >> NSTask to read its output directly. (This can be a bit tricky, but there's >> Apple sample code that shows how to do it.) >> >> —Jens > > _______________________________________________ > > 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/vitaly.ovchinnikov%40gmail.com > > This email sent to [EMAIL PROTECTED] > _______________________________________________ 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 [EMAIL PROTECTED]