File System Tester - package to help start file system test units
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It can be configured to create cutomized directory structure.
The main idea to create this package is write test units for prgoram which
should work whith file system, manipulate with files and links to them.
Io tests need template directory with some files on different deep of fs structure.

The random generator is using for add uniqueness for temporary directory name which
contains other file system units.

The test directory structure can be configured by yaml or json format:
.... to be coninue.