goapple2/a2/disk_convert.go

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package main
import (
"fmt"
"github.com/gonuts/commander"
"github.com/zellyn/goapple2/disk"
)
var cmdDiskConvert = &commander.Command{
Run: runDiskConvert,
UsageLine: "diskconvert infile outfile",
Short: "convert apple II disk images",
Long: `
DiskConvert is a simple disk conversion utility.
`,
}
var diskVolume uint
func init() {
cmdDiskConvert.Flag.UintVar(&diskVolume, "v", 0, "The volume of the disk, or 0 for default.")
}
func runDiskConvert(cmd *commander.Command, args []string) error {
if len(args) != 2 {
cmd.Usage()
return nil
}
if diskVolume > 254 {
return fmt.Errorf("disk volume must be 0-254, got %d", diskVolume)
}
nyb, err := disk.DiskFromFile(args[0], byte(diskVolume))
if err != nil {
return err
}
if err = disk.DiskToFile(args[1], nyb); err != nil {
return err
}
return err
}