I tried to reproduce your problem by creating directories ~/wtf/FromHere and
~/wtf/ToHere, with three files in FromHere named 1, 2, and 3. I switch over to
using "ToHere-NEW" when it detects a file whose name is >= "2".
My test code renamed the directory and switched over to it just fine:
- (void)test
{
NSFileManager *fileManager = [NSFileManager defaultManager];
NSString *fromDir = [@"~/wtf/FromHere" stringByStandardizingPath];
NSString *originalToDir = [@"~/wtf/ToHere" stringByStandardizingPath];
NSString *toDir = originalToDir;
NSError *error = nil;
NSArray *filesToCopy = [[fileManager contentsOfDirectoryAtPath:fromDir
error:&error]
sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
for (NSString *fileName in filesToCopy)
{
// Rename the destination directory if necessary.
if ([fileName intValue] >= 2)
{
NSLog(@"File name is %@; will rename directory if necessary.",
fileName);
NSString *newToDir = [originalToDir
stringByAppendingString:@"-NEW"];
if (![fileManager fileExistsAtPath:newToDir])
{
if ([fileManager moveItemAtPath:toDir toPath:newToDir
error:&error])
{
NSLog(@"...SUCCESS: Renamed %@ to %@.", toDir, newToDir);
}
else
{
NSLog(@"...ERROR: Failed to rename %@ to %@ -- %@.", toDir,
newToDir, error);
abort();
}
toDir = newToDir;
}
else
{
NSLog(@"...%@ already exists; no need to rename.", newToDir);
}
}
// Move the file to the directory at shootPath.
NSString *oldFilePath = [fromDir
stringByAppendingPathComponent:fileName];
NSString *newFilePath = [toDir stringByAppendingPathComponent:fileName];
if ([fileManager copyItemAtPath:oldFilePath toPath:newFilePath
error:&error])
{
NSLog(@"Copied file %@ to %@.", oldFilePath, newFilePath);
}
else
{
NSLog(@"...ERROR: Failed to copy %@ to %@ -- %@.", oldFilePath,
newFilePath, error);
abort();
}
}
}
2011-04-17 01:46:41.013 Scratcho[2630:a0f] Copied file
/Users/alee/wtf/FromHere/1 to /Users/alee/wtf/ToHere/1.
2011-04-17 01:46:41.014 Scratcho[2630:a0f] File name is 2; will rename
directory if necessary.
2011-04-17 01:46:41.069 Scratcho[2630:a0f] ...SUCCESS: Renamed
/Users/alee/wtf/ToHere to /Users/alee/wtf/ToHere-NEW.
2011-04-17 01:46:44.712 Scratcho[2630:a0f] Copied file
/Users/alee/wtf/FromHere/2 to /Users/alee/wtf/ToHere-NEW/2.
2011-04-17 01:46:44.712 Scratcho[2630:a0f] File name is 3; will rename
directory if necessary.
2011-04-17 01:46:44.713 Scratcho[2630:a0f] .../Users/alee/wtf/ToHere-NEW
already exists; no need to rename.
2011-04-17 01:46:46.934 Scratcho[2630:a0f] Copied file
/Users/alee/wtf/FromHere/3 to /Users/alee/wtf/ToHere-NEW/3.
--Andy
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