From 146d02e09e1e1093c14d8f57f79b6163bbb5f626 Mon Sep 17 00:00:00 2001
From: ddddddO <lbfdeatq@gmail.com>
Date: Sat, 10 Jun 2023 19:28:09 +0900
Subject: [PATCH] gtree description

---
 README.md           | 13 ++-----------
 cmd/gtree/main.go   | 29 ++++++++++++++++++++++++++---
 testdata/sample0.md |  9 ---------
 3 files changed, 28 insertions(+), 23 deletions(-)
 delete mode 100644 testdata/sample0.md

diff --git a/README.md b/README.md
index e540928..a2f261d 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,8 @@
 Output tree🌳 or Make directories📁 from Markdown or Programmatically.</br>
 Provide CLI, Go library and Web.
 
-```
+```console
+$ gtree template --description | gtree output
 # Description
 ├── Output tree from markdown or programmatically.
 │   ├── Output format is tree|yaml|toml|json.
@@ -21,16 +22,6 @@ Provide CLI, Go library and Web.
 ```
 
 
-<details>
-<summary>this description is output by</summary>
-
-```console
-$ cat testdata/sample0.md | gtree output --fs
-```
-
-</details>
-
-
 ## Web
 
 <details>
diff --git a/cmd/gtree/main.go b/cmd/gtree/main.go
index e5b1a7b..f977010 100644
--- a/cmd/gtree/main.go
+++ b/cmd/gtree/main.go
@@ -86,6 +86,14 @@ func main() {
 		},
 	}
 
+	templateFlags := []cli.Flag{
+		&cli.BoolFlag{
+			Name:    "description",
+			Aliases: []string{"desc"},
+			Usage:   "Show gtree description.",
+		},
+	}
+
 	app := &cli.App{
 		Name:  "gtree",
 		Usage: "This CLI outputs tree or makes directories from markdown.",
@@ -110,9 +118,9 @@ func main() {
 				Name:    "template",
 				Aliases: []string{"t", "tmpl"},
 				Usage:   "Output markdown template.",
-				// Flags: NOTE: prepare various templates.
-				Before: notExistArgs,
-				Action: actionTemplate,
+				Flags:   templateFlags,
+				Before:  notExistArgs,
+				Action:  actionTemplate,
 			},
 			{
 				Name:    "version",
@@ -259,7 +267,22 @@ const template = `
 	- tree.go
 `
 
+const description = "- # Description\n" +
+	"	- Output tree from markdown or programmatically.\n" +
+	"		- Output format is tree|yaml|toml|json.\n" +
+	"		- Default tree.\n" +
+	"	- Make directories from markdown or programmatically.\n" +
+	"		- It is possible to dry run.\n" +
+	"		- You can use `-e` flag to make specified extensions as file.\n" +
+	"	- Output a markdown template that can be used with either `output` subcommand or `mkdir` subcommand.\n" +
+	"	- Provide CLI, Go library and Web.\n"
+
 func actionTemplate(c *cli.Context) error {
+	if c.Bool("description") {
+		fmt.Print(strings.TrimLeft(description, "\n"))
+		return nil
+	}
+
 	fmt.Print(strings.TrimLeft(template, "\n"))
 	return nil
 }
diff --git a/testdata/sample0.md b/testdata/sample0.md
deleted file mode 100644
index b4f82fd..0000000
--- a/testdata/sample0.md
+++ /dev/null
@@ -1,9 +0,0 @@
-- # Description
-    - Output tree from markdown or programmatically.
-        - Output format is tree|yaml|toml|json.
-        - Default tree.
-    - Make directories from markdown or programmatically.
-        - It is possible to dry run.
-        - You can use `-e` flag to make specified extensions as file.
-    - Output a markdown template that can be used with either `output` subcommand or `mkdir` subcommand.
-    - Provide CLI, Go library and Web.
\ No newline at end of file