stdin stdin.txt
cue cmd echo
cmp stdout expect-stdout


-- expect-stdout --
Hello World!
-- stdin.txt --
Hello World!
-- hello_tool.cue --
package hello

command: echo: {
    echo: {
        kind:   "exec"
        cmd:    "cat"
        stdout: string
    }

    pass: {
        kind:   "exec"
        cmd:    "cat"
        stdin:  echo.stdout
    }
}
-- cue.mod --