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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, avoiding command types boilerplate. It also provides a few option Mod functions.

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Versions 0.1.0, 0.1.0.1, 0.1.0.1, 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 2019-02-22T08:03:10Z

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Readme for simple-cmd-args-0.1.0.1

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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 the common use case of a commandline tool with 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" (putStrLn <$> strArg "NAME") "Print name"
    , Subcommand "ls" (cmd_ "ls" <$> some (strArg "FILE...")) "Touch FILE"
    ]

See more examples.