<> symbols are confusing

README.md

@@ -1,2 +1,15 @@
 # AutomaticLogDeleter
 Deletes old server logs automatically
+# Config
+```yaml
+#AutomaticLogDeleter plugin config
+#lines that start with a hashtag are comments
+#delete logs older than 24 hours by default
+#you can set it to -1 to simply delete all logs
+#default value: 86400
+delete-logs-older-than-seconds: 86400
+
+#by default old logs are deleted only on startup
+#default value: false
+also-delete-logs-on-shutdown: false
+```

src/main/java/net/limework/automaticlogdeleter/AutomaticLogDeleter.java

@@ -38,16 +38,27 @@ public class AutomaticLogDeleter extends JavaPlugin {
         //maximum file age allowed
 
         long maxOldMillis = config.getLong("delete-logs-older-than-seconds") * 1000;
+        String fileName;
 
         for (File file : files) {
             if (file.isFile()) {
-                if ((System.currentTimeMillis() - file.lastModified()) > maxOldMillis) {
+                fileName = file.getName();
+
+                //if file is not a log file
+                //using contains to make it more likely to catch different types of logging systems
+                if (!fileName.contains(".log") && !fileName.contains("log.")) {
+                    continue;
+                }
+
+                //if file is older than configured time
+                if ((System.currentTimeMillis() - file.lastModified()) < maxOldMillis) {
+                    continue;
+                }
 
                 if (!file.delete()) {
-                        Bukkit.getLogger().log(Level.WARNING, "[AutomaticLogDeleter] Failed to delete server log file! Are you sure the file permissions are correct?");
+                    getLogger().log(Level.WARNING, "[AutomaticLogDeleter] Failed to delete server log file! Are you sure the file permissions are correct?");
                 } else {
-                        Bukkit.getLogger().log(Level.INFO, "[AutomaticLogDeleter] Deleted log file " + file.getName());
+                    getLogger().log(Level.INFO, "[AutomaticLogDeleter] Deleted log file " + fileName);
-                    }
                 }
             }
         }

src/main/resources/config.yml

@@ -11,3 +11,9 @@ delete-logs-older-than-seconds: 86400
 #default value: false
 
 also-delete-logs-on-shutdown: false
+
+#list of directories to check for logs
+#note it will only delete files that contain ".log" in their name for safety reasons
+#not yet implemented
+check-directories-for-logs:
+  - "logs"