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README.md Readability Improvements (#1228)

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I made some small changes to the README.md file to enhance its readability.
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zaataylor 2020-12-04 14:15:09 -05:00 committed by GitHub
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@ -62,8 +62,8 @@ Cobra is built on a structure of commands, arguments & flags.
**Commands** represent actions, **Args** are things and **Flags** are modifiers for those actions.
The best applications will read like sentences when used. Users will know how
to use the application because they will natively understand how to use it.
The best applications read like sentences when used, and as a result, users
intuitively know how to interact with them.
The pattern to follow is
`APPNAME VERB NOUN --ADJECTIVE.`
@ -268,7 +268,7 @@ func initConfig() {
With the root command you need to have your main function execute it.
Execute should be run on the root for clarity, though it can be called on any command.
In a Cobra app, typically the main.go file is very bare. It serves, one purpose, to initialize Cobra.
In a Cobra app, typically the main.go file is very bare. It serves one purpose: to initialize Cobra.
```go
package main
@ -363,7 +363,7 @@ There are two different approaches to assign a flag.
### Persistent Flags
A flag can be 'persistent' meaning that this flag will be available to the
A flag can be 'persistent', meaning that this flag will be available to the
command it's assigned to as well as every command under that command. For
global flags, assign a flag as a persistent flag on the root.
@ -373,7 +373,7 @@ rootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose out
### Local Flags
A flag can also be assigned locally which will only apply to that specific command.
A flag can also be assigned locally, which will only apply to that specific command.
```go
localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
@ -381,8 +381,8 @@ localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to rea
### Local Flag on Parent Commands
By default Cobra only parses local flags on the target command, any local flags on
parent commands are ignored. By enabling `Command.TraverseChildren` Cobra will
By default, Cobra only parses local flags on the target command, and any local flags on
parent commands are ignored. By enabling `Command.TraverseChildren`, Cobra will
parse local flags on each command before executing the target command.
```go
@ -404,8 +404,8 @@ func init() {
}
```
In this example the persistent flag `author` is bound with `viper`.
**Note**, that the variable `author` will not be set to the value from config,
In this example, the persistent flag `author` is bound with `viper`.
**Note**: the variable `author` will not be set to the value from config,
when the `--author` flag is not provided by user.
More in [viper documentation](https://github.com/spf13/viper#working-with-flags).
@ -465,7 +465,7 @@ var cmd = &cobra.Command{
In the example below, we have defined three commands. Two are at the top level
and one (cmdTimes) is a child of one of the top commands. In this case the root
is not executable meaning that a subcommand is required. This is accomplished
is not executable, meaning that a subcommand is required. This is accomplished
by not providing a 'Run' for the 'rootCmd'.
We have only defined one flag for a single command.