Add embedded view command

cmd/embedded.go

@@ -32,6 +32,7 @@ var (
  Description: "A command for extracting embedded resources, like templates and images",
  Subcommands: []cli.Command{
  subcmdList,
+ subcmdView,
  subcmdExtract,
  },
  }
@@ -48,6 +49,18 @@ var (
  },
  }
 
+ subcmdView = cli.Command{
+ Name: "view",
+ Usage: "View a file matching the given pattern",
+ Action: runView,
+ Flags: []cli.Flag{
+ cli.BoolFlag{
+ Name: "include-vendored,vendor",
+ Usage: "Include files under public/vendor as well",
+ },
+ },
+ }
+
  subcmdExtract = cli.Command{
  Name: "extract",
  Usage: "Extract resources",
@@ -132,6 +145,14 @@ func runList(c *cli.Context) error {
  return nil
 }
 
+func runView(c *cli.Context) error {
+ if err := runViewDo(c); err != nil {
+ fmt.Fprintf(os.Stderr, "%v\n", err)
+ return err
+ }
+ return nil
+}
+
 func runExtract(c *cli.Context) error {
  if err := runExtractDo(c); err != nil {
  fmt.Fprintf(os.Stderr, "%v\n", err)
@@ -152,6 +173,29 @@ func runListDo(c *cli.Context) error {
  return nil
 }
 
+func runViewDo(c *cli.Context) error {
+ if err := initEmbeddedExtractor(c); err != nil {
+ return err
+ }
+
+ if len(assets) == 0 {
+ return fmt.Errorf("No files matched the given pattern")
+ } else if len(assets) > 1 {
+ return fmt.Errorf("Too many files matched the given pattern; try to be more specific")
+ }
+
+ data, err := assets[0].Section.Asset(assets[0].Name)
+ if err != nil {
+ return fmt.Errorf("%s: %v", assets[0].Path, err)
+ }
+
+ if _, err = os.Stdout.Write(data); err != nil {
+ return fmt.Errorf("%s: %v", assets[0].Path, err)
+ }
+
+ return nil
+}
+
 func runExtractDo(c *cli.Context) error {
  if err := initEmbeddedExtractor(c); err != nil {
  return err