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# About edktool

Wildcard Expressions in edktool

`edktool` is a tool for Eduction that allows you to compile and test your grammars. `edktool` can perform the following functions:

- compile grammars
- list available entities in a grammar file
- extract entities from a file based on a grammar and select entities from the grammar for extraction
- test the accuracy of the extraction process

NOTE:

On Linux, `edktool` requires the C++ library, `libstdc++.so`. To ensure the tool can locate the required library, set the Library Path:

`setenv LD_LIBRARY_PATH bin:$LD_LIBRARY_PATH`

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