// +install gf /*	list files command*/package main import (	"clive/cmd"	"clive/cmd/opt"	"clive/zx"	"fmt") var (	opts      = opt.New("{file}")	ux, gflag bool	printf    = cmd.Printf) func main() {	cmd.UnixIO("err")	c := cmd.AppCtx()	opts.NewFlag("D", "debug", &c.Debug)	opts.NewFlag("u", "unix IO", &ux)	opts.NewFlag("g", "get contents", &gflag)	if cmd.Args()[0] == "gf" {		gflag = true	}	args := opts.Parse()	if ux {		cmd.UnixIO()	}	if len(args) == 0 {		args = append(args, ".,1")	} 	var dc <-chan face{}	if !gflag {		dc = cmd.Dirs(args...)	} else {		dc = cmd.Files(args...)	} 	out := cmd.Out("out")	var err error	for m := range dc {		cmd.Dprintf("got %T\n", m)		switch m := m.(type) {		case error:			err = m			cmd.Warn("%s", m)			if !ux {				m := fmt.Errorf("%s: %s", cmd.Args()[0], m)				if ok := out <- m; !ok {					close(dc, cerror(out))				}			}		case zx.Dir:			if !ux {				if ok := out <- m; !ok {					close(dc, cerror(out))				}			} else {				printf("%s\n", m.Fmt())			}		case []byte:			if ok := out <- m; !ok {				close(dc, cerror(out))			}		}	}	if err := cerror(dc); err != nil {		if !ux {			out <- fmt.Errorf("%s: %s", cmd.Args()[0], err)		}		cmd.Exit(err)	}	cmd.Exit(err)}