/*	Clean and print path or path elements*/package main import (	"clive/cmd"	"clive/cmd/opt"	fpath "path"	"path/filepath") var (	ux, dflag, bflag bool 	dir  string	opts = opt.New("{name}")) // Run path in the current app context.func main() {	cmd.UnixIO("err")	c := cmd.AppCtx()	opts.NewFlag("D", "debug", &c.Debug)	opts.NewFlag("r", "dir: print paths relative to dir", &dir)	opts.NewFlag("d", "print parent directories", &dflag)	opts.NewFlag("b", "print base names", &bflag)	args := opts.Parse()	if ux {		cmd.UnixIO()	}	if dir != "" && (dflag || bflag) {		cmd.Warn("incompatible flags")		opts.Usage()	}	if dflag && bflag {		cmd.Warn("incompatible flags")		opts.Usage()	}	if dir != "" {		dir = cmd.AbsPath(dir)	}	var sts error	for _, n := range args {		n = cmd.AbsPath(n)		switch {		case dir != "":			r, err := filepath.Rel(dir, n)			if err != nil {				sts = err				cmd.Warn("%s: %s", n, err)			} else {				n = r			}		case dflag:			n = fpath.Dir(n)		case bflag:			n = fpath.Base(n)		}		cmd.Printf("%s\n", n)	}	cmd.Exit(sts)}