func cmdChecksum(tt *TreeTerm, arg ...string) (string, error) {
	return cmdDirListing(tt, false, true, arg...)
}
/*
cmdChecksum shows a directory listing and the checksums.
package term
import (
	"fmt"
	"os"
	"devt.de/krotik/common/stringutil"
	"devt.de/krotik/rufs"
)
func cmdCd(tt *TreeTerm, arg ...string) (string, error) {
	if len(arg) > 0 {
		tt.cd = tt.parsePathParam(arg[0])
	}
	return fmt.Sprint(tt.cd, "\n"), nil
}
func cmdDir(tt *TreeTerm, arg ...string) (string, error) {
	return cmdDirListing(tt, false, false, arg...)
}