test.txt

[{
 "name": "emp1",
 "salary": 10000,
 "manager" : "mgr1"
},
{
 "name": "emp2",
 "salary": 11011,
 "manager" : "mgr1"
},
{
 "name": "emp3",
 "salary": 11002,
 "manager" : "mgr1"
},
{
 "name": "emp4",
 "salary": 11013,
 "manager" : "mgr2"
},
{
 "name": "emp5",
 "salary": 11014,
 "manager" : "mgr2"
},
{
 "name": "emp6",
 "salary": 11005,
 "manager" : "mgr2"
},
{
 "name": "emp7",
 "salary": 11006,
 "manager" : "mgr1"
},
{
 "name": "emp8",
 "salary": 11017,
 "manager" : "mgr1"
},
{
 "name": "mgr1",
 "salary": 11008,
 "manager" : "dir1"
},
{
 "name": "mgr2",
 "salary": 11019,
 "manager" : "dir1"
},
{
 "name": "dir1",
 "salary": 11010,
 "manager" : "vp1"
}]