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data-processing

Process JSON with jq and YAML/TOML with yq. Filter, transform, query structured data efficiently. Triggers on: parse JSON, extract from YAML, query config, Docker Compose, K8s manifests, GitHub Actions workflows, package.json, filter data.

aiskillstore/marketplace

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含まれるファイル（7）

SKILL.md2.8 KB
assets/.gitkeep0 B
references/config-files.md794 B
references/jq-patterns.md3.2 KB
references/yq-patterns.md1.9 KB
scripts/.gitkeep0 B
skill-report.json27.5 KB

SKILL.md（原文）

インストールする前に、エージェントに与えられる指示の中身を確認できます。

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

# Extract from array
jq '.dependencies[0]' package.json

# Extract multiple fields
jq '{name, version}' package.json

# Navigate deeply nested
jq '.data.users[0].profile.email' response.json

# Filter by condition
jq '.users[] | select(.active == true)' data.json

# Transform each element
jq '.users | map({id, name})' data.json

# Count elements
jq '.users | length' data.json

# Raw string output
jq -r '.name' package.json

yq Essentials

# Extract field
yq '.name' config.yaml

# Extract nested
yq '.services.web.image' docker-compose.yml

# List all keys
yq 'keys' config.yaml

# List all service names (Docker Compose)
yq '.services | keys' docker-compose.yml

# Get container images (K8s)
yq '.spec.template.spec.containers[].image' deployment.yaml

# Update value (in-place)
yq -i '.version = "2.0.0"' config.yaml

# TOML to JSON
yq -p toml -o json '.' config.toml

Quick Reference

Task	jq	yq
Get field	`jq '.key'`	`yq '.key'`
Array element	`jq '.[0]'`	`yq '.[0]'`
Filter array	`jq '.[] \| select(.x)'`	`yq '.[] \| select(.x)'`
Transform	`jq 'map(.x)'`	`yq 'map(.x)'`
Count	`jq 'length'`	`yq 'length'`
Keys	`jq 'keys'`	`yq 'keys'`
Pretty print	`jq '.'`	`yq '.'`
Compact	`jq -c`	`yq -o json -I0`
Raw output	`jq -r`	`yq -r`
In-place edit	-	`yq -i`

When to Use

Reading package.json dependencies
Parsing Docker Compose configurations
Analyzing Kubernetes manifests
Processing GitHub Actions workflows
Extracting data from API responses
Filtering large JSON datasets
Config file manipulation
Data format conversion

Additional Resources

For complete pattern libraries, load:

./references/jq-patterns.md - Arrays, filtering, transformation, aggregation, output formatting
./references/yq-patterns.md - Docker Compose, K8s, GitHub Actions, TOML, YAML modification
./references/config-files.md - package.json, tsconfig, eslint/prettier patterns

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