mirror of
https://github.com/zellyn/diskii.git
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57 lines
1.1 KiB
Go
57 lines
1.1 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/spf13/cobra"
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"github.com/zellyn/diskii/lib/disk"
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_ "github.com/zellyn/diskii/lib/dos3"
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_ "github.com/zellyn/diskii/lib/supermon"
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)
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// dumpCmd represents the dump command, used to dump the raw contents
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// of a file.
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var dumpCmd = &cobra.Command{
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Use: "dump",
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Short: "dump the raw contents of a file",
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Long: `Dump the raw contents of a file.
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dump disk-image.dsk HELLO
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`,
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Run: func(cmd *cobra.Command, args []string) {
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if err := runDump(args); err != nil {
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fmt.Fprintln(os.Stderr, err.Error())
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os.Exit(-1)
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}
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},
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}
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func init() {
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RootCmd.AddCommand(dumpCmd)
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}
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// runDump performs the actual dump logic.
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func runDump(args []string) error {
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if len(args) != 2 {
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return fmt.Errorf("dump expects a disk image filename, and a filename")
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}
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sd, err := disk.Open(args[0])
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if err != nil {
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return err
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}
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op, err := disk.OperatorFor(sd)
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if err != nil {
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return err
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}
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file, err := op.GetFile(args[1])
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if err != nil {
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return err
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}
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// TODO(zellyn): allow writing to files
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os.Stdout.Write(file.Data)
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return nil
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}
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