jq
All platforms: See jqlang.org/download for packages, binaries, and build instructions.
Usage
jq '[filter]' [file.json]
cat file.json | jq '[filter]'
Quick Reference
.key # Get key
.a.b.c # Nested access
.[0] # First element
.[] # Iterate array
.[] | select(.x > 5) # Filter
{a: .x, b: .y} # Reshape
. + {new: "val"} # Add field
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