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February 6, 2017 12:21
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Goで配列をコマンドラインとしてパースするサンプル
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package main | |
import ( | |
"flag" | |
"fmt" | |
) | |
func main() { | |
var ( | |
boolFlag bool | |
intFlag int | |
stringFlag string | |
) | |
var fs = flag.NewFlagSet("dummy", flag.ExitOnError) | |
fs.BoolVar(&boolFlag, "b", false, "bool flag") | |
fs.IntVar(&intFlag, "i", 0, "int flag") | |
fs.StringVar(&stringFlag, "s", "default", "string flag") | |
var args = []string{"-i", "100", "-s", `"strflag"`, "hoge.c", "10", "hoge fuga"} | |
fs.Parse(args) | |
var file = fs.Arg(0) | |
var line = fs.Arg(1) | |
var cmnt = fs.Arg(2) | |
fmt.Println("NFlag:", fs.NFlag()) | |
fmt.Println("boolFlag:", boolFlag) | |
fmt.Println("intFlag:", intFlag) | |
fmt.Println("stringFlag:", stringFlag) | |
fmt.Println("fs.NArg:", fs.NArg()) | |
fmt.Println("fs.Args:", fs.Args()) | |
fmt.Println("file:", file) | |
fmt.Println("line:", line) | |
fmt.Println("cmnt:", cmnt) | |
} |
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