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Command line parsing framework for Java

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Hi! The CHANGELOG.md, hasn't been updated since 2017, is there another location where I could get an overall view of the changes? Thank, you for creating and maintaining this package!

This could be corrected with a change to the documentation. The problem is that the parameter types for an inner class includes the parent class. https://github.com/cbeust/jcommander/blob/master/src/main/java/com/beust/jcommander/JCommander.java#L1355 This means that the...

This is a converter that takes a comma-delimited list of paths and converts it into `List`. It's a frequent use case that an argument allows to specify multiple files, directories...

Without this commit gradle doesn't execute testng tests: ![image](https://user-images.githubusercontent.com/82477955/138935419-174c0a70-b6ec-452e-bc32-ede60e6a0e01.png) With this commit, it does: ![image](https://user-images.githubusercontent.com/82477955/138935486-a467b20b-4774-4d3d-b1c3-2c135be99ba9.png)

``` The certificate is only valid for the following names: beust.com, www.beust.com ```

I fixed the issues #445 and add a method named 'addSubcommand'. It can add a subcommand for the command added by user but the defult command. And the command like...

Hey, so, I have a case where I'd like "subcommands" -- basically something like ` myprogram command subcommand --flag1 --flag2 ` Currently the only way around this without doing argument...

Fixes #501 Hi! #501 mentioned can not use @-syntax in conjunction with arguments starting with literal @. I solve this proplem by changing the judge rule of @-syntax. The initail...

Modify convertValue() to support set converter to fix issue #509 .

Fixes #379 I created a new variable 'category' in the @parameter and rewrite the 'compare' and 'usage' methods, then add two test cases.