Thanks, all for the responses.

First I changed the path to write to. The folder is writable. On GetInfo for 
the folder "MYTEST", I have set "Read & Write" permissions for:
You can, Owner, Group, & Others. Is there anything else I need to do to make it 
write to that folder?

As a side note, I am running an Apache server on the mac I am working on, and I 
can write PHP programs that will write to this directory.

However, this is still not working. I am not getting anything under  "Errors 
and Warnings" in Xcode. Also the program loads. However, after running the 
Debugger does come up.

On debugger there are 5 listed.

0. asm objc_msgSend 0x90a594c0:1
1. ?
2. asm -[NSConcreteFileHandle initWithPath:flags:createMode:] 0x92867509:1
3. asm +[NSFileHandle fileHandleForWritingAtPath:] 0x9287a5e6:1
4. THIS IS BROKEN DOWN IN SUB SECTIONS

[Arguments]
Value: 1
Variable: argc
Value: 0xbffffa5c
Variable: argv
[Locals]
Value: 0x2cf58
Variable: fname
Summary: {(int)[$VAR length]} bytes
Value: 0x1f4c
Variable: fh
Summary: file descriptor: {(int)[$VAR fileDescriptor]}


Here is the current code I am running:

/* START CODE */

#import <Cocoa/Cocoa.h>

int main(int argc, char *argv[])
{

        NSData *fname = "file:///Users/cknorr/mytest/MYTEST/data.txt";
        NSFileHandle *fh=[NSFileHandle fileHandleForWritingAtPath:fname];
        [fh writeData:@"THIS IS A TEST"];
        [fh closeFile];
        
    return NSApplicationMain(argc,  (const char **) argv);
} 



--- On Sat, 8/16/08, Jason Coco <[EMAIL PROTECTED]> wrote:

> From: Jason Coco <[EMAIL PROTECTED]>
> Subject: Re: creating files to write data to?
> To: "Andy Lee" <[EMAIL PROTECTED]>
> Cc: [EMAIL PROTECTED], cocoa-dev@lists.apple.com
> Date: Saturday, August 16, 2008, 3:33 AM
> On Aug 15, 2008, at 19:35 , Andy Lee wrote:
> 
> > On Aug 15, 2008, at 6:43 PM, Jason Coco wrote:
> >> Adding the @ just makes it an NSString constant...
> but writeData  
> >> still requires (NSData *), not (NSString *).
> >
> > Argh!  Or perhaps, given the nature of this error,
> which I missed, I  
> > should say "Arg!"
> >
> > Surely you got a compiler warning?  If you ignored
> that, surely a  
> > runtime error?
> >
> > Check your errors, both at compile time and runtime
> (and treat  
> > warnings as errors).
> 
> Yeah... I was thinking the same thing... you /must/ have
> got  
> warnings... eventually you would have gotten an Exception I
> think :)


      
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