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Monthly Downloads: 131
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags: Compiler     Dhall    

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README

dhall-bash 1.0.16

This repository has moved to https://github.com/dhall-lang/dhall-haskell/tree/master/dhall-bash

This dhall-bash package provides a Dhall to Bash compiler so that you can easily marshall Dhall values into your Bash scripts

This does not compile all available Dhall language constructs into Bash and only supports extracting primitive values, lists, optional values and records from normalized expressions.

Quick start

If you have Nix installed, then you can build and install this package using:

$ nix-env -iA dhall-bash -f release.nix
$ dhall-to-bash <<< '1'
1
$ dhall-to-bash <<< '"ABC" ++ "DEF"'
ABCDEF
$ dhall-to-bash --declare FOO <<< '"ABC" ++ "DEF"'
declare -r FOO=ABCDEF
$ eval $(dhall-to-bash --declare FOO <<< '"ABC" ++ "DEF"')
$ echo "${FOO}"
ABCDEF
$ dhall-to-bash --declare BAR
let replicate = https://ipfs.io/ipfs/QmcTbCdS21pCxXysTzEiucDuwwLWbLUWNSKwkJVfwpy2zK/Prelude/List/replicate
in  replicate +10 Integer 1
<Ctrl-D>
declare -r -a BAR=(1 1 1 1 1 1 1 1 1 1)
$ dhall-to-bash --declare BAZ <<< '{ qux = 1, xyzzy = True }'
declare -r -A BAZ=([qux]=1 [xyzzy]=true)

Development status

Build Status

I don't expect this library to change unless:

  • ... the Dhall language changes, which is possible but not very likely
  • ... there are bugs, which is unlikely given how simple the implementation is

License (BSD 3-clause)

Copyright (c) 2017 Gabriel Gonzalez
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name of Gabriel Gonzalez nor the names of other contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


*Note that all licence references and agreements mentioned in the dhall-bash README section above are relevant to that project's source code only.