extract

Documentation

Overview

Package extract provides "extract" sub command: extract all images from a GIF image.

Index

• Variables

Variables

var Extract = subcmd.DefineCommand("extract", "extract each frames from GIF", func(ctx context.Context, args []string) error {
	name := strings.Join(subcmd.Names(ctx), " ")
	fs := flag.NewFlagSet(name, flag.ExitOnError)
	var outdir string
	fs.StringVar(&outdir, "outdir", "", "output directory (default: base of input)")
	fs.Parse(args)
	if fs.NArg() != 1 {
		return errors.New("only one GIF can be extracted at a time")
	}
	input := fs.Arg(0)
	if outdir == "" {
		outdir = input[0 : len(input)-len(filepath.Ext(input))]
	}
	return extractFrames(outdir, input)
})