Re: using 'cp' with NSTask
Re: using 'cp' with NSTask
- Subject: Re: using 'cp' with NSTask
- From: The Karl Adam <email@hidden>
- Date: Fri, 28 Jan 2005 11:26:08 -0500
Why are you doing all of that, this is one call to NSFileManager.
-Karl
On Fri, 28 Jan 2005 16:15:56 +0000, Peter Browne
<email@hidden> wrote:
> I want to be able to copy an image file to a new location. There is an
> NSImageView that the user can load a picture into, and I want the user
> to be able to save this image to a new location. I've tried doing this
> using NSTask and 'cp', passing the file path (taken from the open panel
> when the user loads an image into the view) and the target path as
> arguments. However, when it tries to run 'cp' the program chokes. Here
> is the relevent code:
>
> When the open panel is closed:
>
> if (returnCode == NSOKButton) {
> mapPath = [openPanel filename]; <- mapPath is an NSString
>
> [self setFilePath:mapPath]; <- sets the filePath variable to the
> result of the open panel
> NSLog(@"map file path is now %@", [self filePath]);
>
> newMap = [[NSImage alloc] initWithContentsOfFile:mapPath];
> [self setImage:newMap];
> [newMap release];
> }
>
> This is the 'getting' method to access the filePath from other classes
>
> - (NSString *)filePath // Used for getting to path to the image so it
> can be copied
> {
> return filePath;
> }
>
> When the users clicks save:
>
> NSString *copyPath = [mapView filePath];
> NSString *targetPath = [NSString
> stringWithFormat:@"%@/Desktop/blah.pdf", NSHomeDirectory()];
>
> NSLog(@"Going to copy from %@ to %@.", copyPath, targetPath);
>
> NSArray *args = [NSArray arrayWithObjects:copyPath, targetPath];
>
> // the task to handle copying of the map image
> NSTask *cp = [NSTask launchedTaskWithLaunchPath:@"/bin/cp"
> arguments:args];
>
> [cp launch];
>
> Any ideas? Thanks in advance, Peter
>
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