Add example for making persistent flags required (spf13#1135)

umarcor · Oct 14, 2020 · 142dfb1 · 142dfb1
1 parent 723d0c3
commit 142dfb1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -419,6 +419,12 @@ rootCmd.Flags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
 rootCmd.MarkFlagRequired("region")
 ```
 
+Or, for persistent flags:
+```go
+rootCmd.PersistentFlags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
+rootCmd.MarkPersistentFlagRequired("region")
+```
+
 ## Positional and Custom Arguments
 
 Validation of positional arguments can be specified using the `Args` field