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37cba3355d
Update agent configurations: change commiter mode to all, rename engineer agent to "Penpot Engineer", and remove obsolete testing agent. Add new read-only planner agent for architecture analysis and planning. Add four new skills: bat-cat (syntax-highlighted cat clone), fd-find (fast file finder), jq-json-processor (JSON processor), and ripgrep (fast text search). Add fd-find and bat packages to devenv Dockerfile. Update .gitignore to exclude opencode package-lock and plans directory. Signed-off-by: Andrey Antukh <niwi@niwi.nz>
113 lines
2.4 KiB
Markdown
113 lines
2.4 KiB
Markdown
---
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name: jq-json-processor
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description: Process, filter, and transform JSON data using jq - the lightweight and flexible command-line JSON processor.
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homepage: https://jqlang.github.io/jq/
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metadata: {"clawdbot":{"emoji":"🔍","requires":{"bins":["jq"]},"install":[{"id":"brew","kind":"brew","formula":"jq","bins":["jq"],"label":"Install jq (brew)"},{"id":"apt","kind":"apt","package":"jq","bins":["jq"],"label":"Install jq (apt)"}]}}
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---
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# jq JSON Processor
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Process, filter, and transform JSON data with jq.
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## Quick Examples
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### Basic filtering
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```bash
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# Extract a field
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echo '{"name":"Alice","age":30}' | jq '.name'
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# Output: "Alice"
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# Multiple fields
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echo '{"name":"Alice","age":30}' | jq '{name: .name, age: .age}'
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# Array indexing
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echo '[1,2,3,4,5]' | jq '.[2]'
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# Output: 3
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```
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### Working with arrays
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```bash
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# Map over array
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echo '[{"name":"Alice"},{"name":"Bob"}]' | jq '.[].name'
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# Output: "Alice" "Bob"
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# Filter array
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echo '[1,2,3,4,5]' | jq 'map(select(. > 2))'
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# Output: [3,4,5]
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# Length
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echo '[1,2,3]' | jq 'length'
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# Output: 3
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```
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### Common operations
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```bash
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# Pretty print JSON
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cat file.json | jq '.'
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# Compact output
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cat file.json | jq -c '.'
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# Raw output (no quotes)
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echo '{"name":"Alice"}' | jq -r '.name'
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# Output: Alice
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# Sort keys
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echo '{"z":1,"a":2}' | jq -S '.'
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```
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### Advanced filtering
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```bash
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# Select with conditions
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jq '[.[] | select(.age > 25)]' people.json
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# Group by
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jq 'group_by(.category)' items.json
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# Reduce
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echo '[1,2,3,4,5]' | jq 'reduce .[] as $item (0; . + $item)'
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# Output: 15
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```
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### Working with files
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```bash
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# Read from file
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jq '.users[0].name' users.json
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# Multiple files
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jq -s '.[0] * .[1]' file1.json file2.json
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# Modify and save
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jq '.version = "2.0"' package.json > package.json.tmp && mv package.json.tmp package.json
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```
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## Common Use Cases
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**Extract specific fields from API response:**
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```bash
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curl -s https://api.github.com/users/octocat | jq '{name: .name, repos: .public_repos, followers: .followers}'
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```
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**Convert CSV-like data:**
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```bash
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jq -r '.[] | [.name, .email, .age] | @csv' users.json
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```
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**Debug API responses:**
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```bash
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curl -s https://api.example.com/data | jq '.'
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```
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## Tips
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- Use `-r` for raw string output (removes quotes)
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- Use `-c` for compact output (single line)
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- Use `-S` to sort object keys
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- Use `--arg name value` to pass variables
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- Pipe multiple jq operations: `jq '.a' | jq '.b'`
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## Documentation
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Full manual: https://jqlang.github.io/jq/manual/
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Interactive tutorial: https://jqplay.org/
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