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simple-cmd-args: Simple command args parsing and execution

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This is a small wrapper over optparse-applicative which allows combining args parsers directly with IO commands. For subcommands this can avoid type boilerplate. It also provides a few functions for common Mod combinations.

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Versions 0.1.0, 0.1.0.1, 0.1.1, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8
Change log CHANGELOG.md
Dependencies base (>=4 && <5), optparse-applicative, semigroups [details]
License BSD-3-Clause
Copyright 2019 Jens Petersen
Author Jens Petersen
Maintainer juhpetersen@gmail.com
Category System
Home page https://github.com/juhp/simple-cmd-args
Bug tracker https://github.com/juhp/simple-cmd-args/issues
Source repo head: git clone https://github.com/juhp/simple-cmd-args.git
Uploaded by JensPetersen at 2019-04-08T06:12:55Z

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Readme for simple-cmd-args-0.1.1

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simple-cmd-args

Hackage BSD license Stackage Lts Stackage Nightly Build status

A thin layer over optparse-applicative that avoids type plumbing for subcommands by using Parser (IO ()).

Usage

import SimpleCmdArgs
import Control.Applicative (some)
import SimpleCmd (cmd_)

main =
  simpleCmdArgs Nothing "my example tool" "Longer description..." $
  subcommands
    [ Subcommand "echo" "Print name" $ putStrLn <$> strArg "NAME"
    , Subcommand "ls" "Touch FILE" $ cmd_ "ls" <$> some (strArg "FILE...")
    ]

See more examples.