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palabreria.go
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/
palabreria.go
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package main
import (
"flag"
"fmt"
"io/ioutil"
"math/rand"
"strings"
"time"
)
func check(e error) {
if e != nil {
panic(e)
}
}
func readDict(filename string) []string {
dat, err := ioutil.ReadFile(filename)
check(err)
return strings.Split(string(dat),"\n")
}
func getWord(words []string) string {
rand.Seed(time.Now().UTC().UnixNano())
return words[rand.Intn(len(words))]
}
func fetchDicts(root string) [][]string {
var dicts [][]string
dictNames, err := ioutil.ReadDir(root)
if err != nil {
panic(err)
}
for i := 0; i < len(dictNames); i++ {
dictPath := fmt.Sprintf("%s/%s", root, dictNames[i].Name())
dicts = append(dicts, readDict(dictPath))
}
return dicts
}
func getPhrase(words int, separator string) string {
var output []string
dicts := fetchDicts("dict")
for i := 0; i < words; i++ {
rand.Seed(time.Now().UTC().UnixNano())
dict := dicts[rand.Intn(len(dicts))]
output = append(output, getWord(dict))
}
return strings.Join(output, separator)
}
func main() {
wordCountPtr := flag.Int("words", 3, "Number of words")
separatorPtr := flag.String("separator", "-", "Separator used to join words")
flag.Parse()
phrase := getPhrase(*wordCountPtr, *separatorPtr)
fmt.Print(phrase)
}