shell 正则解析json

Question

Access-Control-Allow-Headers: Accept,Accept-Encoding,Accept-Language,Origin,Content-Type, Access-Control-Allow-Headers, Authorizat Authorization: eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiI0MDI4ODY5NjY1ZTY5NDQ5MDE2NWU2YWUwYThkMDA1MiIsImlhdCI6MTU0MDI2NDg3Miwic3ViIjoiMDAwMD {"flag":true,"message":"登录成功","data":{"userId":"4028869665e694490165e6ae0a8d0052","accountName":"hyr","userName":"huangyr","orgId":"000000","token":"eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiI0MDI4ODY5NjY1ZTY5NDQ5MDE2NWU2YWUwYThkMDA1MiIsImlhdCI6MTU0MDI2NDg3Miwic3ViIjoiMDAwMDAwOmh5ciIsImlzcyI6Imh1YW5neXIifQ.ZEVQipegQ5xjq3R_Lo2MooSt1-slGlQV48UbgW7GCW0"}}

求大神shell获取token值，感激不尽。。。
最终得到eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiI0MDI4ODY5NjY1ZTY5NDQ5MDE2NWU2YWUwYThkMDA1MiIsImlhdCI6MTU0MDI2NDg3Miwic3ViIjoiMDAwMDAwOmh5ciIsImlzcyI6Imh1YW5neXIifQ.ZEVQipegQ5xjq3R_Lo2MooSt1-slGlQV48UbgW7GCW0
搞了半天没出来，脑仁疼

Answer 1

用sed命令行工具可以处理
echo "你上面那一大串字符"|sed 's/.*"token":"//;s/".*//'
用其他办法也能解决，sed我用的习惯点。