JSON Processing Skill

Work with JSON data efficiently.

1. Parse and Query

Using jq:

# Pretty print
cat data.json | jq '.'

# Select field
cat data.json | jq '.users[0].name'

# Filter arrays
cat data.json | jq '.users[] | select(.age > 18)'

# Map transformation
cat data.json | jq '.users[] | {name, email}'