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README: describe interworking with flag package

This commit is contained in:
Sanjay Bhandari 2015-12-04 15:07:55 -05:00 committed by Steve Francia
parent 823bc1371b
commit 5c53af5e4f
1 changed files with 24 additions and 0 deletions
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README.md
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@ -235,6 +235,30 @@ serverCmd.Flags().Int("port", 1138, "Port to run Application server on")
viper.BindPFlag("port", serverCmd.Flags().Lookup("port")) viper.BindPFlag("port", serverCmd.Flags().Lookup("port"))
``` ```
The use of [pflag](https://github.com/spf13/pflag/) in Viper does not preclude
the use of other packages that use the [flag](https://golang.org/pkg/flag/)
package from the standard library. The pflag package can handle the flags
defined for the flag package by importing these flags. This is accomplished
by a calling a convenience function provided by the pflag package called
AddGoFlagSet().
Example:
```go
package main
import (
"flag"
"github.com/spf13/pflag"
)
func main() {
pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
pflag.Parse()
...
}
```
### Remote Key/Value Store Support ### Remote Key/Value Store Support
To enable remote support in Viper, do a blank import of the `viper/remote` To enable remote support in Viper, do a blank import of the `viper/remote`