以下のコマンド出力を Bash 変数にキャプチャしました。
{"app_versions":[{"version":"16125","shortversion":"4.4.0","title":"App 1","timestamp":1377277516,"appsize":46110031,"mandatory":false,"minimum_os_version":"6.0","device_family":"iPhone/iPod","id":22,"app_id":25196,"download_url":"https://rink.hockeyapp.net/apps/b5dc72777668ca5716aa6aec8237058f/app_versions/22","status":2,"tags":["alpha"]},{"version":"16126","shortversion":"4.4.0","title":"App 1","timestamp":1377177516,"appsize":46330031,"mandatory":false,"minimum_os_version":"6.0","device_family":"iPhone/iPod","id":20,"app_id":25190,"download_url":"https://rink.hockeyapp.net/apps/b5dc72777668ca5716aa6aec8237058f/app_versions/20","status":2,"tags":["alpha"]}
id上記の出力からの最大値を見つけて、関連する を取得するにはどうすればよいversionですか?