saving console messages to file in iphone

Is there any way to save all the console messag开发者_JS百科es to a file in iphone ?

Thanks

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They go to the system log. You can see it from the organizer in Xcode.

If you really need the file, you can redirect stderr:

 NSString* myLogfile = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:@"log.txt"];
 int fd = open([myLogfile fileSystemRepresentation], O_RDWR | O_CREAT, 0664);
 dup2(fd, 2);

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Copy and paste to a text editor also works, and lets you select just the parts of your current interest.