| [_Command-line arguments_](http://en.wikipedia.org/wiki/Command-line_interface#Arguments) are a common way to parameterize execution of programs. For example, `go run hello.go` uses `run` and `hello.go` arguments to the `go` program. | ||
package main |
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import ( |
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"fmt" |
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"os" |
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) |
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func main() { |
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| `os.Args` provides access to raw command-line arguments. Note that the first value in this slice is the path to the program, and `os.Args[1:]` holds the arguments to the program. | argsWithProg := os.Args |
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argsWithoutProg := os.Args[1:] |
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| You can get individual args with normal indexing. | arg := os.Args[3] |
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fmt.Println(argsWithProg) |
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fmt.Println(argsWithoutProg) |
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fmt.Println(arg) |
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} |