yeahq

// From: http://stackoverflow.com/questions/4743317/iphone-how-to-copy-a-file-from-resources-to-documents
NSFileManager *fmngr = [[NSFileManager alloc] init];
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"mydb.sqlite" ofType:nil];
NSError *error;
if(![fmngr copyItemAtPath:filePath toPath:[NSString stringWithFormat:@"%@/Documents/mydb.sqlite", NSHomeDirectory()] error:&error]) {
     // handle the error
     NSLog(@"Error creating the database: %@", [error description]);

}
[fmngr release];

yeahq

//http://stackoverflow.com/questions/5385480/iphone-downloding-zip-and-extracting-in-main-bundle-subdirectory-at-runtime

NSString *filepath = [[NSBundle mainBundle] pathForResource:@"ZipFileName" ofType:@"zip"];
ZipArchive *zipArchive = [[ZipArchive alloc] init];
[zipArchive UnzipOpenFile:filepath Password:@"xxxxxx"];
[zipArchive UnzipFileTo:{pathToDirectory} overWrite:YES];
[zipArchive UnzipCloseFile];
[zipArchive release];

yeahq

NSLog(@"Documents directory: %@", [fileMgr contentsOfDirectoryAtPath:documentsDirectory error:&error]);

yeahq

NSString *path;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"SomeDirectory"];
path = [path stringByAppendingPathComponent:@"SomeFileName"];
if ([[NSFileManager defaultManager] fileExistsAtPath:path])
{

yeahq

NSString *path;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"SomeDirectory"];
path = [path stringByAppendingPathComponent:@"SomeFileName"];
NSError *error;
if ([[NSFileManager defaultManager] fileExistsAtPath:path])		//Does file exist?
{
    if (![[NSFileManager defaultManager] removeItemAtPath:path error:&error])	//Delete it
    {
        NSLog(@"Delete file error: %@", error);

yeahq

NSString *path;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"SomeDirectoryName"];
NSError *error;	

if ([[NSFileManager defaultManager] fileExistsAtPath:path])	//Does directory exist?
{
    if (![[NSFileManager defaultManager] removeItemAtPath:path error:&error])	//Delete it
    {
        NSLog(@"Delete directory error: %@", error);

yeahq

NSString *path;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"SomeDirectoryName"];
NSError *error;
if (![[NSFileManager defaultManager] fileExistsAtPath:path])	//Does directory already exist?
{
    if (![[NSFileManager defaultManager] createDirectoryAtPath:path
            withIntermediateDirectories:NO
            attributes:nil
            error:&error])

yeahq

NSData *file;
file = ...
NSString *path;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"SomeDirectoryName"];
path = [path stringByAppendingPathComponent:@"SomeFileName"];

[[NSFileManager defaultManager] createFileAtPath:path
contents:FileData
attributes:nil];

yeahq

 NSString *path;
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    path = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"My Directory"];
    path = [path stringByAppendingPathComponent:@"My Filename"];

    if ([[NSFileManager defaultManager] fileExistsAtPath:path])
    {
        //File exists
        NSData *file1 = [[NSData alloc] initWithContentsOfFile:path];
        if (file1)

yeahq

[[NSFileManager defaultManager] moveItemAtPath:MySourcePath toPath:MyDestPath error:nil];