26 lines
790 B
Go
26 lines
790 B
Go
package main // Use `os.Args` to access command-line arguments and
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// the name of the program.
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import ("os"; "fmt")
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func main() {
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argsWithProg := os.Args // `os.Args` includes the program name as the first
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argsWithoutProg := os.Args[1:] // value.
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arg := os.Args[3] // `Args` are a slice, you can get individual args
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// with normal indexing.
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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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/*
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$ go build command-line-args // Build a `command-line-args` binary so that we have
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// the expected program name.
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$ ./command-line-args a b c d
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[command-line-args a b c d]
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[a b c d]
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c
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*/
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