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Directory Tree
Assignment 5
Directory Tree
EEL 4854
In this assignment, students are required to implement an operating system command
that displays the tree structure of a folder or directory. The program asks the
user to enter a folder name. Next, the program traverses the tree hierarchy of this folder in a preorder traversal to retrieve the children folders or ?les in the speci?ed folder. As the hierarchy is being traversed, the names of the subfolders or ?les are being displayed in an indented fashion where the amount of indentation re?ects the hierarchy level of the displayed subfolders or ?les. This command should produce an output similar to the tree command in the DOS operating system. The ?gure below shows a display of a partial output of the tree command. Students can experiment with this command by typing
tree | more
The Java API provides the File class which can be used to implement this assignment.
Submission
This assignment is due by the date above. Only the source code file should be turned in following the same instructions as for Assignment 1.
Answer
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