Command line option parsers
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There are several packages that want to simplify the task of writing command line parsers. Unfortunately, they are distributed across several Hackage categories. Here is an attempt to list them:
| Package | Multi-mode | Extensions | Remark |
|---|---|---|---|
| cmdargs | X | TemplateHaskell, SYB generics, ViewPatterns, ... | unsafePerformIO
|
| cmdlib | X | SYB generics | based on GetOpt |
| cmdtheline | X | FlexibleInstances (although unnecessary) | shows help as man-page |
| console-program | X | TemplateHaskell | configure options via files |
| getflag | . | Haskell98 | like GetOpt but with Unix/Plan 9 option syntax |
| hflags | |||
| multiarg | |||
| options | |||
| optparse-applicative | X | . | Applicative Functor |
| parseargs | |||
| ReadArgs | |||
| simpleargs | |||
| yaop |