added yaml output mode support (-o yaml or -Y)

cmd/root.go

@@ -100,11 +100,13 @@ func init() {
 	rootCmd.PersistentFlags().BoolVarP(&lib.OutflagMarkdown, "markdown", "M", false, "Enable markdown table output")
 	rootCmd.PersistentFlags().BoolVarP(&lib.OutflagOrgtable, "orgtbl", "O", false, "Enable org-mode table output")
 	rootCmd.PersistentFlags().BoolVarP(&lib.OutflagShell, "shell", "S", false, "Enable shell mode output")
-	rootCmd.MarkFlagsMutuallyExclusive("extended", "markdown", "orgtbl", "shell")
+	rootCmd.PersistentFlags().BoolVarP(&lib.OutflagYaml, "yaml", "Y", false, "Enable yaml output")
+	rootCmd.MarkFlagsMutuallyExclusive("extended", "markdown", "orgtbl", "shell", "yaml")
 	rootCmd.Flags().MarkHidden("extended")
 	rootCmd.Flags().MarkHidden("orgtbl")
 	rootCmd.Flags().MarkHidden("markdown")
 	rootCmd.Flags().MarkHidden("shell")
+	rootCmd.Flags().MarkHidden("yaml")
 
 	// same thing but more common, takes precedence over above group
 	rootCmd.PersistentFlags().StringVarP(&lib.OutputMode, "output", "o", "", "Output mode - one of: orgtbl, markdown, extended, shell, ascii(default)")

cmd/tablizer.go

@@ -16,7 +16,7 @@ SYNOPSIS
           -m, --man                Display manual page
           -n, --no-numbering       Disable header numbering
           -N, --no-color           Disable pattern highlighting
-          -o, --output string      Output mode - one of: orgtbl, markdown, extended, ascii(default)
+          -o, --output string      Output mode - one of: orgtbl, markdown, extended, yaml, ascii(default)
           -X, --extended           Enable extended output
           -M, --markdown           Enable markdown table output
           -O, --orgtbl             Enable org-mode table output
@@ -178,7 +178,8 @@ DESCRIPTION
 
     Beside normal ascii mode (the default) and extended mode there are more
     output modes available: orgtbl which prints an Emacs org-mode table and
-    markdown which prints a Markdown table.
+    markdown which prints a Markdown table and yaml, which prints yaml
+    encoding.
 
 BUGS
     In order to report a bug, unexpected behavior, feature requests or to