readme.md

Input and output of task

Official documentation:

• https://pkg.go.dev/cuelang.org/go/pkg/tool
• cue help cmd

Commands

cue cmd test_cli
cue test_cli

cue cmd test_exec
cue test_exec 

Explanations

Some commands provide input and output, for example cli.Ask has en output response:

command: test_cli: {
	
  ask: cli.Ask & {
    prompt:   "What is your name?"
    response: string
  }

  display: cli.Print &{
	text: "hello "+ask.response
  }
}

The command exec.Run has an input stdin, an input stdout and stderr:

command: test_exec: {

  ask: cli.Ask & {
    prompt:   "What is your name?"
    response: string
  }

  echo: exec.Run & {
	cmd: ["echo", "Hello", ask.response + "!"]
	stdout: string // capture stdout, don't print to the terminal
  }

  display: cli.Print &{
	text: "sdout of task echo: " + echo.stdout
  }
}

More info in the documentation of tasks:

• cli.Ask: ask an input to user (Documention)
• cli.Print: output a text (Documention)
• exec.Run: run a bash command (Documention)
• file.Read: read the content of a file (Documention)
• file.Append: append a file (Documention)
• file.Glob: list files (Documention)
• file.Mkdir: create a directory (Documention)
• file.MkdirAll: create a directory and parents (Documention)
• file.MkdirTemp: create a directory (Documention)
• file.RemoveAll: delete path and childs (Documention)
• http.Do: do a HTTP call (GET/POST/PUT/DELETE) (Documention)
• os.Setenv: create a env var (Documention)
• os.Getenv: get a env var (Documention)
• os.Environ: get all env var (Documention)