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Text replacement - "<google>BUY_IOS9</google>" to "<htmlet>ios9</htmlet>"
<googlehtmlet>BUY_IOS9ios9</googlehtmlet>
File offsets are a key aspect of working with files using the NSFileHandle class so it is worth taking extra time to make sure you understand the concept. Without knowing where the current offset is in a file it is impossible to know the location in the file where data will be read or written.
<googlehtmlet>BUY_IOS9ios9</googlehtmlet>
== Reading Data from a File ==
<googlehtmlet>BUY_IOS9ios9</googlehtmlet>
