cksum * | rjc cksum

[
    {
        "filename": String,
        "checksum": i64,
        "blocks":   i32
    }
]

$ cksum * | rjc -o=pretty cksum
[
    {
        "filename": "Cargo.lock",
        "checksum": 3004260688,
        "blocks": 11117
    },
    {
        "filename": "Cargo.toml",
        "checksum": 1046762512,
        "blocks": 437
    },
    {
        "filename": "README.md",
        "checksum": 2958139355,
        "blocks": 1205
    }
    ...
]