brew install meain/meain/tojson

cargo install tojson

git clone [email protected]:meain/tojson.git
cd tojson && cargo install --force --path .

USAGE:
    tojson [FLAGS] [OPTIONS] [filename]

FLAGS:
    -h, --help       Prints help information
    -p, --pretty
    -V, --version    Prints version information

OPTIONS:
    -f, --from <from>     [default: auto]  [possible values: auto, yaml, toml, json]
    -t, --to <to>         [default: json]  [possible values: json, yaml, toml]

ARGS:
    <filename>

tojson Cargo.toml | jq -r '.package.version'