File System Hooks

NSFileManager

Creating and Deleting Items

• – createFileAtPath:contents:attributes:

Managing ICloud-Based Items

• – ubiquityIdentityToken

Getting and Comparing File Contents

• – contentsAtPath:

NSData

Creating Data Objects

• • dataWithContentsOfFile:
• • dataWithContentsOfFile:options:error:
• • dataWithContentsOfURL:
• • dataWithContentsOfURL:options:error:
• – initWithContentsOfFile:
• – initWithContentsOfFile:options:error:
• – initWithContentsOfURL:
• – initWithContentsOfURL:options:error:

Storing Data

• – writeToFile:atomically:
• – writeToFile:options:error:
• – writeToURL:atomically:
• – writeToURL:options:error:

NSFileHandle

Getting a File Handle

• • fileHandleForReadingAtPath:
• • fileHandleForReadingFromURL:error:
• • fileHandleForUpdatingAtPath:
• • fileHandleForUpdatingURL:error:
• • fileHandleForWritingAtPath:
• • fileHandleForWritingToURL:error:

NSInputStream

Creating Streams

• • inputStreamWithFileAtPath:
• • inputStreamWithURL:
• – initWithFileAtPath:
• – initWithURL:

NSOutputStream

Creating Streams

• • outputStreamToFileAtPath:append:
• • outputStreamWithURL:append:
• – initToFileAtPath:append:
• – initWithURL:append: