c0020_vv

    loading [Config]:  ./tests/functests/upconfig.yml
    Main config:
                 Version -> 1.0.0
                  RefDir -> ./tests/functests
                 WorkDir -> cwd
              AbsWorkDir -> /up_project/up
                TaskFile -> c0020
                 Verbose -> vv
              ModuleName -> self
               ShellType -> /bin/sh
           MaxCallLayers -> 8
                 Timeout -> 3600000
     MaxModuelCallLayers -> 256
               EntryTask -> task
      ModRepoUsernameRef -> 
      ModRepoPasswordRef -> 
    work dir: /up_project/up
    -exec task: task
    loading [Task]:  ./tests/functests/c0020
    module: [self], instance id: [dev], exec profile: []
    Task1: [task ==> task:  ]
    -Step1: [: call function with different vars ]
    =Task2: [task ==> function: as a design pattern, this is a function task
    it's better to not to use any local vars, in this
    way, the vars are passed in from caller call so
    that this function could be used by multiple ref tasks
     ]
    --Step1: [: show school and student info ]
    cmd( 1):
    echo "studentname -> {{.studentname}} | gender -> {{.gender}}"
    
    -
    studentname -> Tom | gender -> male
    
    -
     .. ok
    cmd( 2):
    echo "school -> {{.school}}"
    
    -
    school -> sydney grammar
    
    -
     .. ok
    . ok