Features

• Written in portable go, so you can download a lovely dependency free binary
• Colorize the output
• Deep read a yaml file with a given path expression
• List matching paths of a given path expression
• Return the lengths of arrays/object/scalars
• Update a yaml file given a path expression or script file
• Update creates any missing entries in the path on the fly
• Deeply compare yaml files
• Keeps yaml formatting and comments when updating
• Validate a yaml file
• Create a yaml file given a deep path and value or a script file
• Prefix a path to a yaml file
• Convert to/from json to yaml
• Pipe data in by using '-'
• Merge multiple yaml files with various options for overriding and appending
• Supports multiple documents in a single yaml file for reading, writing and merging
• General shell completion scripts (bash/zsh/fish/powershell) (https://mikefarah.gitbook.io/yq/commands/shell-completion)

Usage:
  yq [flags]
  yq [command]

Available Commands:
  compare          yq x [--prettyPrint/-P] dataA.yaml dataB.yaml 'b.e(name==fr*).value'
  delete           yq d [--inplace/-i] [--doc/-d index] sample.yaml 'b.e(name==fred)'
  help             Help about any command
  merge            yq m [--inplace/-i] [--doc/-d index] [--overwrite/-x] [--append/-a] sample.yaml sample2.yaml
  new              yq n [--script/-s script_file] a.b.c newValue
  prefix           yq p [--inplace/-i] [--doc/-d index] sample.yaml a.b.c
  read             yq r [--printMode/-p pv] sample.yaml 'b.e(name==fr*).value'
  shell-completion Generates shell completion scripts
  validate         yq v sample.yaml
  write            yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml 'b.e(name==fr*).value' newValue

Flags:
  -C, --colors        print with colors
  -h, --help          help for yq
  -I, --indent int    sets indent level for output (default 2)
  -P, --prettyPrint   pretty print
  -j, --tojson        output as json. By default it prints a json document in one line, use the prettyPrint flag to print a formatted doc.
  -v, --verbose       verbose mode
  -V, --version       Print version information and quit

Use "yq [command] --help" for more information about a command.