批处理中的循环

for /f %%b in (%a%testdata.txt) do (
"%WTTSTDIO%wttcl.exe" schedulejob /IdentityServer:%IdentityServer% /IdentityDatabase:%IdentityDatabase% /Datastore:%Datastore% /Job { /ID:%%b } /machinepool:%pool% /MachineList:"%TestMachine_Local%" /ResultCollection:%ResultCollectionName% /SmartScheduler:true /RunAll /wait 
)