class: GalaxyUserTool id: cat_user_defined version: "0.1" name: cat_user_defined description: concatenates a file container: busybox shell_command: cat '$(inputs.input1.path)' > output.txt inputs: - name: input1 type: data format: txt outputs: - name: output1 type: data format: txt from_work_dir: output.txt tests: - inputs: input1: class: File path: simple_line.txt outputs: output1: simple_line.txt