name: testmodifyfile
description: modify a file and add something

inputs:
- {name: newstring, type: String, description: 'Something to write to a new file'}
- {name: inputpath, description: 'input file path'}

outputs:
- {name: output, description: 'output file path'}

implementation:
    container:
        image: ubuntu:18.04
        command:
        - /bin/bash
        - -c
        - |
          inputstr=$0
          echo "inputstr:"$inputstr
          inputfile=$1
          echo "inputpath:"$inputfile
          echo "origin begin--"
          cat $inputfile
          echo "--origin end"
          mkdir -p $(dirname $2)
          cat $inputfile > $2
          echo $0 >> $2
          echo "Result::"
          cat $2
        - {inputValue: newstring}
        - {inputPath: inputpath}
        - {outputPath: output}