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package main |
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import ( |
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"encoding/json" |
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"fmt" |
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"log" |
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"net/http" |
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"os" |
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"sort" |
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"strings" |
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"text/tabwriter" |
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"time" |
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) |
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type Agent struct { |
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Nick string `json:"nick"` |
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Type string `json:"type"` |
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CreatedAt time.Time `json:"created_at"` |
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} |
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type Message struct { |
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Nick string `json:"nick"` |
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Text string `json:"text"` |
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At time.Time `json:"at"` |
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} |
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func main() { |
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token := os.Getenv("SCUTTLEBOT_TOKEN") |
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url := os.Getenv("SCUTTLEBOT_URL") |
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if url == "" { |
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url = "http://localhost:8080" |
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} |
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if token == "" { |
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log.Fatal("SCUTTLEBOT_TOKEN is required") |
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} |
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if len(os.Args) < 2 { |
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usage() |
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} |
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// Parse optional --channel flag before the subcommand. |
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channel := "general" |
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args := os.Args[1:] |
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for i := 0; i < len(args); i++ { |
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if args[i] == "--channel" && i+1 < len(args) { |
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channel = strings.TrimPrefix(args[i+1], "#") |
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args = append(args[:i], args[i+2:]...) |
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break |
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} |
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if strings.HasPrefix(args[i], "--channel=") { |
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channel = strings.TrimPrefix(strings.TrimPrefix(args[i], "--channel="), "#") |
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args = append(args[:i], args[i+1:]...) |
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break |
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} |
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} |
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if len(args) == 0 { |
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usage() |
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} |
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switch args[0] { |
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case "map": |
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mapFleet(url, token, channel) |
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case "broadcast": |
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if len(args) < 2 { |
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log.Fatal("usage: fleet-cmd broadcast <message>") |
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} |
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broadcast(url, token, channel, strings.Join(args[1:], " ")) |
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default: |
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usage() |
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} |
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} |
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func usage() { |
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fmt.Println("Usage: fleet-cmd [--channel <channel>] <command> [args]") |
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fmt.Println("Commands:") |
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fmt.Println(" map Show all agents and their last activity") |
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fmt.Println(" broadcast Send a message to the channel") |
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os.Exit(1) |
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} |
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func mapFleet(url, token, channel string) { |
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agents := fetchAgents(url, token) |
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messages := fetchMessages(url, token, channel) |
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86
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// Filter for actual session nicks (ones with suffixes) |
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sessions := make(map[string]Message) |
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for _, m := range messages { |
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if strings.Contains(m.Nick, "-") { |
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sessions[m.Nick] = m |
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} |
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} |
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0) |
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fmt.Fprintln(w, "NICK\tTYPE\tLAST ACTIVITY\tTIME") |
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// Sort nicks for stable output |
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var nicks []string |
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for n := range sessions { |
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nicks = append(nicks, n) |
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} |
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sort.Strings(nicks) |
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for _, nick := range nicks { |
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m := sessions[nick] |
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nickType := "unknown" |
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for _, a := range agents { |
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if strings.HasPrefix(nick, a.Nick) { |
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nickType = a.Type |
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break |
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} |
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} |
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fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", nick, nickType, truncate(m.Text, 40), timeSince(m.At)) |
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} |
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w.Flush() |
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} |
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func broadcast(url, token, channel, msg string) { |
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body, _ := json.Marshal(map[string]string{ |
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"nick": "commander", |
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"text": msg, |
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}) |
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req, _ := http.NewRequest("POST", url+"/v1/channels/"+channel+"/messages", strings.NewReader(string(body))) |
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req.Header.Set("Authorization", "Bearer "+token) |
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req.Header.Set("Content-Type", "application/json") |
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128
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resp, err := http.DefaultClient.Do(req) |
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if err != nil { |
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log.Fatal(err) |
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} |
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defer resp.Body.Close() |
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if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent { |
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log.Fatalf("broadcast failed: %s", resp.Status) |
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} |
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fmt.Printf("Broadcast sent to #%s: %s\n", channel, msg) |
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} |
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138
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func fetchAgents(url, token string) []Agent { |
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req, _ := http.NewRequest("GET", url+"/v1/agents", nil) |
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req.Header.Set("Authorization", "Bearer "+token) |
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resp, _ := http.DefaultClient.Do(req) |
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143
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var data struct { |
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Agents []Agent `json:"agents"` |
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} |
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if err := json.NewDecoder(resp.Body).Decode(&data); err != nil { |
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log.Printf("fetchAgents: decode: %v", err) |
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} |
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return data.Agents |
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} |
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151
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func fetchMessages(url, token, channel string) []Message { |
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req, _ := http.NewRequest("GET", url+"/v1/channels/"+channel+"/messages", nil) |
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req.Header.Set("Authorization", "Bearer "+token) |
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resp, _ := http.DefaultClient.Do(req) |
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156
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var data struct { |
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Messages []struct { |
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Nick string `json:"nick"` |
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159
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Text string `json:"text"` |
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160
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At string `json:"at"` |
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161
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} `json:"messages"` |
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162
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} |
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163
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if err := json.NewDecoder(resp.Body).Decode(&data); err != nil { |
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164
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log.Printf("fetchMessages: decode: %v", err) |
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165
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} |
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166
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167
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var out []Message |
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168
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for _, m := range data.Messages { |
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169
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at, _ := time.Parse(time.RFC3339Nano, m.At) |
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170
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out = append(out, Message{Nick: m.Nick, Text: m.Text, At: at}) |
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} |
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return out |
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} |
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174
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175
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func truncate(s string, n int) string { |
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176
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if len(s) <= n { |
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177
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return s |
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178
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} |
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179
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return s[:n-3] + "..." |
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180
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} |
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181
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182
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func timeSince(t time.Time) string { |
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183
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if t.IsZero() { |
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184
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return "never" |
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185
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} |
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186
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d := time.Since(t).Round(time.Second) |
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187
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return d.String() + " ago" |
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188
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} |
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189
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