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package main
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
)
var (
startList = []string{"time", "year", "people", "way", "day", "thing"}
wordList = []string{"life", "world", "school", "state", "family", "student", "group", "country", "problem", "hand", "part", "place", "case", "week", "company", "system", "program", "work", "government", "number", "night", "point", "home", "water", "room", "mother", "area", "money", "story", "fact", "month", "lot", "right", "study", "book", "eye", "job", "word", "business", "issue", "side", "kind", "head", "house", "service", "friend", "father", "power", "hour", "game", "line", "end", "member", "law", "car", "city", "community", "name", "president", "team", "minute", "idea", "kid", "body", "information", "back", "face", "others", "level", "office", "door", "health", "person", "art", "war", "history", "party", "result", "change", "morning", "reason", "research", "moment", "air", "teacher", "force", "education"}
extList = []string{"txt", "md", "pdf", "jpg", "jpeg", "png", "mp4", "mp3", "csv"}
startDate = time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)
endDate = time.Date(2024, 12, 1, 0, 0, 0, 0, time.UTC)
dateList = []time.Time{}
wordIdx = 0
extIdx = 0
dateIdx = 0
)
func nextWord() string {
word := wordList[wordIdx%len(wordList)]
wordIdx++
return word
}
func nextExt() string {
ext := extList[extIdx%len(extList)]
extIdx++
return ext
}
func setDate(filename string, r int) {
date := dateList[dateIdx%len(dateList)]
m := 17 * dateIdx / len(dateList)
date = date.Add(time.Duration(m) * time.Hour)
dateIdx++
os.Chtimes(filename, date, date)
}
func genFile(dir string, a int) {
os.MkdirAll(dir, 0755)
for i := 1; i <= 5; i++ {
size := a*i*wordIdx*100 + extIdx
file := nextWord() + "-" + nextWord()
if i%3 == 0 {
file += "-" + nextWord()
}
file += "." + nextExt()
path := filepath.Join(dir, file)
ioutil.WriteFile(path, make([]byte, size), 0644)
setDate(path, size*size)
}
}
func genDir(root string) {
for _, start := range startList {
for i := 1; i <= 5; i++ {
dir := filepath.Join(root, start, nextWord())
genFile(dir, 1)
if wordIdx%3 == 0 {
dir = filepath.Join(dir, nextWord())
genFile(dir, 1)
}
}
}
}
func main() {
root := "/tmp/zfind"
var c int64 = 50
interval := (int64)(endDate.Sub(startDate).Seconds()) / c
for i := range make([]int64, c) {
dateList = append(dateList, startDate.Add(time.Duration(interval*(int64)(i))*time.Second))
}
if err := os.RemoveAll(root); err == nil {
genDir(filepath.Join(root, "root"))
fmt.Println("Ready.")
} else {
fmt.Println("Failed to clean")
}
}
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