splitLines func

    vars:
      workers:
      - peter
      - tom
      - james
      lines: |-
        hello
        this
        is a
        beautiful world
    tasks:
    - name: task
      desc: generate logs
      task:
      - func: shell
        dvars:
        - name: linelist
          desc: |
            dvar value always return a string instead of object, if you
            need to use the object, you will need to register it to global space
          value: '{{ .lines | splitLines }}'
          flags: [vvv]
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
      - func: shell
        dvars:
        - name: linelist
          value: '{{ .lines | splitLines | printObj }}'
          flags: [vvv]
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
      - func: shell
        name: regtest
        dvars:
        - name: linelist
          value: '{{ .lines | splitLines | reg "linelist_object" }}'
          flags: [vvv]
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
        - echo '{{.linelist_object}}'
      - func: shell
        loop: workers
        do:
        - echo "{{.loopindex1}} -> {{.loopitem}}"
      - func: shell
        loop: linelist_object
        do:
        - echo "{{.loopindex1}} -> {{.loopitem}}"
    

    loading [Config]:  ./tests/functests/upconfig.yml
    Main config:
                 Version -> 1.0.0
                  RefDir -> ./tests/functests
                 WorkDir -> cwd
              AbsWorkDir -> /up_project/up
                TaskFile -> c0085
                 Verbose -> vvv
              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/c0085
    module: [self], instance id: [dev], exec profile: []
    profile -  envVars:
    
    (*core.Cache)({
    })
    
    Task1: [task ==> task: generate logs ]
    -Step1:
    dvar> linelist:
    "[hello this is a beautiful world]"
    
    -
    [hello this is a beautiful world]
    self: final context exec vars:
    
    (*core.Cache)({
      "up_runtime_task_layer_number": 0,
      "linelist": "[hello this is a beautiful world]",
      "workers": {
        "peter",
        "tom",
        "james"
      },
      "lines": "hello\nthis\nis a\nbeautiful world"
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    [hello this is a beautiful world]
    
    -
     .. ok
    . ok
    -Step2:
    {
      "hello",
      "this",
      "is a",
      "beautiful world"
    }
    
    dvar> linelist:
    "{\n  \"hello\",\n  \"this\",\n  \"is a\",\n  \"beautiful world\"\n}\n\n"
    
    -
    {
      "hello",
      "this",
      "is a",
      "beautiful world"
    }
    
    
    self: final context exec vars:
    
    (*core.Cache)({
      "workers": {
        "peter",
        "tom",
        "james"
      },
      "lines": "hello\nthis\nis a\nbeautiful world",
      "up_runtime_task_layer_number": 0,
      "linelist": "{\n  \"hello\",\n  \"this\",\n  \"is a\",\n  \"beautiful world\"\n}\n\n",
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '[hello this is a beautiful world]'",
        Code: 0,
        Output: "[hello this is a beautiful world]",
        ErrMsg: ""
      })
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    {
      "hello",
      "this",
      "is a",
      "beautiful world"
    }
    
    
    
    -
     .. ok
    . ok
    -Step3: [regtest:  ]
    dvar> linelist:
    "- hello\n- this\n- is a\n- beautiful world\n"
    
    -
    - hello
    - this
    - is a
    - beautiful world
    
    self: final context exec vars:
    
    (*core.Cache)({
      "lines": "hello\nthis\nis a\nbeautiful world",
      "up_runtime_task_layer_number": 0,
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "linelist": "- hello\n- this\n- is a\n- beautiful world\n",
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '{\n  \"hello\",\n  \"this\",\n  \"is a\",\n  \"beautiful world\"\n}\n\n'",
        Code: 0,
        Output: "{\n  \"hello\",\n  \"this\",\n  \"is a\",\n  \"beautiful world\"\n}",
        ErrMsg: ""
      }),
      "workers": {
        "peter",
        "tom",
        "james"
      }
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    - hello
    - this
    - is a
    - beautiful world
    
    
    -
     .. ok
    cmd( 3):
    echo '{{.linelist_object}}'
    
    -
    [hello this is a beautiful world]
    
    -
     .. ok
    . ok
    -Step4:
    self: final context exec vars:
    
    (*core.Cache)({
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '[hello this is a beautiful world]'",
        Code: 0,
        Output: "[hello this is a beautiful world]",
        ErrMsg: ""
      }),
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "up_runtime_task_layer_number": 0,
      "workers": {
        "peter",
        "tom",
        "james"
      },
      "lines": "hello\nthis\nis a\nbeautiful world"
    })
    
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    1 -> peter
    
    -
     .. ok
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    2 -> tom
    
    -
     .. ok
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    3 -> james
    
    -
     .. ok
    . ok
    -Step5:
    self: final context exec vars:
    
    (*core.Cache)({
      "lines": "hello\nthis\nis a\nbeautiful world",
      "last_result": (*utils.ExecResult)({
        Cmd: "echo \"3 -> james\"",
        Code: 0,
        Output: "3 -> james",
        ErrMsg: ""
      }),
      "up_runtime_task_layer_number": 0,
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "workers": {
        "peter",
        "tom",
        "james"
      }
    })
    
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    1 -> hello
    
    -
     .. ok
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    2 -> this
    
    -
     .. ok
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    3 -> is a
    
    -
     .. ok
    cmd( 1):
    echo "{{.loopindex1}} -> {{.loopitem}}"
    
    -
    4 -> beautiful world
    
    -
     .. ok
    . ok