"echo":          cmdEcho,
	"echoenv":       cmdEchoEnv,
	"cat":           cmdCat,
	"pipetest":      cmdPipeTest,
	"stdinClose":    cmdStdinClose,
	"exit":          cmdExit,
	"describefiles": cmdDescribeFiles,
	"stderrfail":    cmdStderrFail,
	"yes":           cmdYes,
	"hang":          cmdHang,
}

func cmdEcho(args ...string) {
	iargs := []any{}
	for _, s := range args {
		iargs = append(iargs, s)