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17 lines
222 B
Go
Executable File
17 lines
222 B
Go
Executable File
// hello_who.go
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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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"strings"
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)
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func main() {
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who := "World"
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if len(os.Args) > 1 { // os.Args[0] == hello_who
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who = strings.Join(os.Args[1:], " ")
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}
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fmt.Println("Hello", who, "!")
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}
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