data-processing
Data Processing
Query, filter, and transform structured data (JSON, YAML, TOML) efficiently from the command line.
Tools
| Tool | Command | Use For |
|---|---|---|
| jq | jq '.key' file.json |
JSON processing |
| yq | yq '.key' file.yaml |
YAML/TOML processing |
jq Essentials
# Extract single field
jq '.name' package.json
# Extract nested field
jq '.scripts.build' package.json
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