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I'm making a program which the user build directories (not in windows, in my app) and in these folders there are subfolders and so on; every folder must contain either folders or documents. What is the best data structure to use? Notice that the user may select a subfolder and search for documents in it and in its subfolders. And I don't want to limit the folders or the subfolders levels.
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Directory Implementation using Hash Table. An alternative data structure that can be used for directory implementation is a hash table.
In computing, a directory structure is the way an operating system arranges files that are accessible to the user. Files are typically displayed in a hierarchical tree structure.
There are several ways to structure a directory. However, tree-structured directories are the most common.
I should recommend B+ Tree .... You can easily use indexing (page,folder etc ) and all .
B+ Tree http://commons.wikimedia.org/wiki/File:Btree.png
for more info : http://ozark.hendrix.edu/~burch/cs/340/reading/btree/index.html
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