TLDR
Enter a command. For example: git extras, pio init, direnv.

yq

 
A lightweight and portable command-line YAML processor. More information: https://mikefarah.gitbook.io/yq/.
 
  • Output a YAML file, in pretty-print format (v4+):
     
    yq eval {{path/to/file.yaml}}
     
  • Output a YAML file, in pretty-print format (v3):
     
    yq read {{path/to/file.yaml}} --colors
     
  • Output the first element in a YAML file that contains only an array (v4+):
     
    yq eval '.[0]' {{path/to/file.yaml}}
     
  • Output the first element in a YAML file that contains only an array (v3):
     
    yq read {{path/to/file.yaml}} '[0]'
     
  • Set (or overwrite) a key to a value in a file (v4+):
     
    yq eval '.{{key}} = "{{value}}"' --inplace {{path/to/file.yaml}}
     
  • Set (or overwrite) a key to a value in a file (v3):
     
    yq write --inplace {{path/to/file.yaml}} '{{key}}' '{{value}}'
     
  • Merge two files and print to stdout (v4+):
     
    yq eval-all 'select(filename == "{{path/to/file1.yaml}}") * select(filename == "{{path/to/file2.yaml}}")' {{path/to/file1.yaml}} {{path/to/file2.yaml}}
     
  • Merge two files and print to stdout (v3):
     
    yq merge {{path/to/file1.yaml}} {{path/to/file2.yaml}} --colors

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