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.
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)
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
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
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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