Read a text file from disk.

read-text-file.m

- ( NSString * ) readTextFile : ( NSString * ) fileName
{
    NSArray * directories;
    NSData * buffer;
    NSFileHandle * handle;
    NSFileManager * manager;
    NSMutableString * path;
    NSString * contents;
    
    manager = [NSFileManager defaultManager];
    
    directories = NSSearchPathForDirectoriesInDomains( NSDesktopDirectory, NSUserDomainMask, YES );
    path = [[NSMutableString alloc] initWithString : [directories objectAtIndex : 0]];
    [path appendString: @"/"];
    [path appendString: fileName];
    // NSLog( @"%@", path );
    
    if( [manager fileExistsAtPath : path] == NO )
    {
        NSLog( @"File not found." );
    } else {
        // NSLog( @"File exists." );
        
        // Handle
        handle = [NSFileHandle fileHandleForReadingAtPath : path];
        
        // Read NSData
        buffer = [handle readDataToEndOfFile];
        
        // To string
        contents = [[NSString alloc] initWithData : buffer encoding : NSUTF8StringEncoding];
        
        // Log contents
        NSLog( @"%@", contents );
        
        // Close file
        [handle closeFile];
    }
    
    return contents;
}