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add info about alternate flag names to the readme

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Jared Forsyth 2013-11-20 00:10:52 -08:00
parent dc8a62e0e9
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README.md
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@ -147,6 +147,18 @@ app.Action = func(c *cli.Context) {
...
```
#### Alternate Names
You can set alternate (or short) names for flags by providing a comma-delimited list for the Name. e.g.
``` go
app.Flags = []cli.Flag {
cli.StringFlag{"lang, l", "english", "language for the greeting"},
}
```
That flag can then be set with `--lang spanish` or `-l spanish`. Note that giving two different forms of the same flag in the same command invocation is an error.
### Subcommands
Subcommands can be defined for a more git-like command line app.