mirror of https://github.com/zellyn/diskii.git
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// Copyright © 2016 Zellyn Hunter <zellyn@gmail.com>
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package cmd
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import (
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"fmt"
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"os"
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"github.com/zellyn/diskii/disk"
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"github.com/zellyn/diskii/types"
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)
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// LsCmd is the kong `ls` command.
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type LsCmd struct {
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Order types.DiskOrder `kong:"default='auto',enum='auto,do,po',help='Logical-to-physical sector order.'"`
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System string `kong:"default='auto',enum='auto,dos3,prodos,nakedos',help='DOS system used for image.'"`
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ShortNames bool `kong:"short='s',help='Whether to print short filenames (only makes a difference on Super-Mon disks).'"`
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Image *os.File `kong:"arg,required,help='Disk/device image to read.'"`
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Directory string `kong:"arg,optional,help='Directory to list (ProDOS only).'"`
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}
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// Help displays extended help and examples.
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func (l LsCmd) Help() string {
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return `Examples:
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# Simple ls of a disk image
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diskii ls games.dsk
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# Get really explicit about disk order and system
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diskii ls --order do --system nakedos Super-Mon-2.0.dsk`
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}
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// Run the `ls` command.
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func (l *LsCmd) Run(globals *types.Globals) error {
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op, order, err := disk.OpenFile(l.Image, l.Order, l.System, globals.DiskOperatorFactories, globals.Debug)
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if err != nil {
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return fmt.Errorf("%w: %s", err, l.Image.Name())
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}
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if globals.Debug > 0 {
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fmt.Fprintf(os.Stderr, "Opened disk with order %q, system %q\n", order, op.Name())
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}
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if l.Directory != "" {
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if !op.HasSubdirs() {
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return fmt.Errorf("disks of type %q cannot have subdirectories", op.Name())
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}
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}
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fds, err := op.Catalog(l.Directory)
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if err != nil {
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return err
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}
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for _, fd := range fds {
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if !l.ShortNames && fd.Fullname != "" {
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fmt.Println(fd.Fullname)
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} else {
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fmt.Println(fd.Name)
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}
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}
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return nil
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}
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