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29 lines
705 B
Go
29 lines
705 B
Go
// [_Command-line arguments_](http://en.wikipedia.org/wiki/Command-line_interface#Arguments)
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// are a common way to parameterize execution of programs.
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// For example, `go run hello.go` uses `run` and
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// `hello.go` arguments to the `go` program.
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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
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// arguments. Note that the first value in this slice
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// is the path to the program, and `os.Args[1:]`
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// holds the arguments to the program.
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argsWithProg := os.Args
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argsWithoutProg := os.Args[1:]
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// You can get individual args with normal indexing.
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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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}
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