Update README.md

README.md

@@ -4,7 +4,7 @@ go-circle-list-extract extracts a circle list of Comitia in JSON or CSV format.
 
 ## Install from binary
 
-Donwload from [release page](https://github.com/hk220/go-circle-list-extract/releases.)
+Donwload a binary according to your OS and config.yaml from [release page](https://github.com/hk220/go-circle-list-extract/releases.)
 
 ## Install from source
 
@@ -15,7 +15,14 @@ go install github.com/hk220/go-circle-list-extract
 ## Usage
 
 ```bash
-go-circle-list-extract -f [format:json, csv] -o [output filename] [eventname]
+Usage:
+  go-circle-list-extract [event name] [flags]
+
+Flags:
+  -c, --config string   config file (default is config.yaml) (default "config.yaml")
+  -f, --format string   output format (support: json, csv) (default "csv")
+  -h, --help            help for go-circle-list-extract
+  -o, --output string   output file name (default "circles.csv")
 ```
 
 ## Support Event
@@ -24,3 +31,5 @@ See config.yaml
 
 - Comitia 134: event name is `comitia134`
 - Comitia 136: event name is `comitia136`
+
+To see the old events, look at [SupportEvent.md](SupportEvent.md)

SupportEvent.md

@@ -0,0 +1,11 @@
+# Older Support Event
+
+Maybe the link is broken and you can't extract it.
+
+- Comitia 125: event name is `comitia125`
+- Comitia 126: event name is `comitia126`
+- Comitia 127: event name is `comitia127`
+- Comitia 128: event name is `comitia128`
+- Comitia 129: event name is `comitia129`
+- Comitia 130: event name is `comitia130`
+- Comitia 131: event name is `comitia131`

main.go

@@ -18,7 +18,7 @@ var (
 	cfgFile string
 
 	rootCmd = &cobra.Command{
-		Use:   "go-circle-list-extract",
+		Use:   "go-circle-list-extract [event name]",
 		Short: "go-circle-list-extract extracts a circle list of Comitia in JSON or CSV format.",
 		Args:  cobra.ExactArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
@@ -86,7 +86,7 @@ func init() {
 	cobra.OnInitialize(initConfig)
 
 	rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "config.yaml", "config file (default is config.yaml)")
-	rootCmd.PersistentFlags().StringP("format", "f", "csv", "output format")
+	rootCmd.PersistentFlags().StringP("format", "f", "csv", "output format (support: json, csv)")
 	rootCmd.PersistentFlags().StringP("output", "o", "circles.csv", "output file name")
 	viper.BindPFlag("format", rootCmd.PersistentFlags().Lookup("format"))
 	viper.BindPFlag("output", rootCmd.PersistentFlags().Lookup("output"))