added usage

pandalanax · Feb 25, 2024 · 20308b4 · 20308b4
1 parent d1b2e60
commit 20308b4
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diff --git a/README.md b/README.md
@@ -6,10 +6,18 @@ Fuzzy find your way to the configuration option you're searching for.
 
 
 ## Usage
+search all options from `hdfs-site.xml`:
+```bash
+hdfshelper -m hdfs
 ```
-TBA
+
+copy the output to clipboard (macOS):
+```bash
+hdfshelper -m core | pbcopy
 ```
 
+You can select more than one option to print with `<TAB>`.
+
 ## Supports
 Currently the options below are supported. 
 

diff --git a/main.go b/main.go
@@ -51,7 +51,7 @@ func main() {
         - hdfs [hdfs-site.xml]`
 	)
 	flag.StringVar(&mode, "mode", defaultMode, usageMode)
-	flag.StringVar(&mode, "m", defaultMode, usageMode)
+	flag.StringVar(&mode, "m", defaultMode, usageMode+"(shorthand)")
 
 	flag.Parse()