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package main
import (
"flag"
"io/ioutil"
"time"
"bufio"
"fmt"
"os"
"path"
"strings"
"golang.org/x/tools/imports"
)
var wordlists = map[string]string{
"eff_large_wordlist": "en",
"eff_short_wordlist_2_0": "en_eff_short",
"de_wordlist": "de",
}
var fn = flag.String("o", "xkcdpwgen/generated.go", "Name of the generated file")
func main() {
flag.Parse()
src := `// DO NOT EDIT THIS FILE!
//
// Update it by running: go generate
//`
generatedAt := time.Now().UTC().Format("2006-01-02 15:04:05")
src += "// Generated at: " + generatedAt + `
package xkcdpwgen
var wordlists = map[string][]string{
`
for wordlist, varname := range wordlists {
fullpath := path.Join("wordlists", fmt.Sprintf("%s.txt", wordlist))
fh, err := os.Open(fullpath)
if err != nil {
panic(err)
}
defer fh.Close()
scanner := bufio.NewScanner(fh)
scanner.Split(bufio.ScanLines)
src += fmt.Sprintf(" \"%s\": {", varname)
for scanner.Scan() {
spl := strings.Fields(scanner.Text())
if len(spl) == 2 {
src += fmt.Sprintf("\"%s\",", spl[1])
}
}
src += "},\n"
}
src += "}\n"
res, err := imports.Process(*fn, []byte(src), nil)
if err != nil {
panic(err)
}
err = ioutil.WriteFile(*fn, res, 0644)
if err != nil {
panic(err)
}
}
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