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91 lines
2.8 KiB
Markdown
91 lines
2.8 KiB
Markdown
# yq [](https://travis-ci.org/mikefarah/yq)
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a lightweight and portable command-line YAML processor
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The aim of the project is to be the [jq](https://github.com/stedolan/jq) or sed of yaml files.
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## Install
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On MacOS:
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```
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brew install yq
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```
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On Ubuntu and other Linux distros supporting `snap` packages:
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```
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snap install yq
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```
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On Ubuntu 16.04 or higher from Debian package:
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```
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sudo add-apt-repository ppa:rmescandon/yq
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sudo apt update
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sudo apt install yq -y
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```
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or, [Download latest binary](https://github.com/mikefarah/yq/releases/latest) or alternatively:
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```
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go get gopkg.in/mikefarah/yq.v2
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```
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## Run with Docker
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Oneshot use:
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```bash
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docker run -v ${PWD}:/workdir mikefarah/yq yq [flags] <command> FILE...
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```
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Run commands interactively:
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```bash
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docker run -it -v ${PWD}:/workdir mikefarah/yq sh
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```
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## Features
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- Written in portable go, so you can download a lovely dependency free binary
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- Deep read a yaml file with a given path
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- Update a yaml file given a path
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- Update a yaml file given a script file
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- Update creates any missing entries in the path on the fly
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- Create a yaml file given a deep path and value
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- Create a yaml file given a script file
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- Convert from json to yaml
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- Convert from yaml to json
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- Pipe data in by using '-'
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- Merge multiple yaml files where each additional file sets values for missing or null value keys.
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- Merge multiple yaml files with overwrite to support overriding previous values.
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- Supports multiple documents in a single yaml file
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## [Usage](http://mikefarah.github.io/yq/)
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Check out the [documentation](http://mikefarah.github.io/yq/) for more detailed and advanced usage.
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```
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Usage:
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yq [flags]
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yq [command]
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Available Commands:
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delete yq d [--inplace/-i] [--doc/-d index] sample.yaml a.b.c
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help Help about any command
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merge yq m [--inplace/-i] [--doc/-d index] [--overwrite/-x] sample.yaml sample2.yaml
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new yq n [--script/-s script_file] a.b.c newValueForC
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read yq r [--doc/-d index] sample.yaml a.b.c
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write yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml a.b.c newValueForC
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Flags:
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-h, --help help for yq
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-t, --trim trim yaml output (default true)
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-v, --verbose verbose mode
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-V, --version Print version information and quit
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Use "yq [command] --help" for more information about a command.
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```
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## Contribute
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1. `make [local] vendor`
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2. add unit tests
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3. apply changes (use govendor with a preference to [gopkg](https://gopkg.in/) for package dependencies)
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4. `make [local] build`
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5. If required, update the user documentation
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- Update README.md and/or documentation under the mkdocs folder
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- `make [local] build-docs`
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- browse to docs/index.html and check your changes
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6. profit
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