Re: How to pass command line parameters to Cocoa App
Re: How to pass command line parameters to Cocoa App
- Subject: Re: How to pass command line parameters to Cocoa App
- From: Jens Alfke <email@hidden>
- Date: Tue, 16 Aug 2011 09:34:34 -0700
On Aug 16, 2011, at 7:54 AM, Abdul Sowayan wrote:
> If I launch my app from the command line, I can pass it options like this
> (this would be the argc, argv parameters to main):
> ./Foo.app/Contents/MacOS/Foo -ApplePersistenceIgnoreState YES
This is basically a convenience for development, so you can set custom configuration info when running your app from Xcode. It’s not a feature to use in a shipping app. You have no control over the argv values sent to an app when it’s launched normally.
> What I would like to have is launch my application from the GUI and somehow
> pass the command line parameters to it. If I had to guess, this would be
> encoded in the Info.plist file in the bundle. It is not clear to me how to
> do that. Any feedback would be greatly appreciated.
No, the Info.plist is read-only and only contains hard-coded settings.
What you’re probably looking for is AppleEvents. LaunchServices lets you launch an app and send a custom AppleEvent to it at launch time. The app can then receive the event and do whatever it wants with it. Read the LaunchServices docs for more info.
—Jens
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