diff --git a/bin/groupread b/bin/groupread
index 59fd957..c02d5a7 100755
--- a/bin/groupread
+++ b/bin/groupread
@@ -1,61 +1,61 @@
-#!/usr/bin/env node
-
-'use strict';
-
-var eibd = require('../');
-/**
- * groupread
- */
-function groupread(opts, gad, callback) {
-	var conn = new eibd.Connection();
-	conn.socketRemote(opts, function(err) {
-
-		if(err) {
-			callback(err);
-			return;
-		}
-
-		var address = eibd.str2addr(gad);
-		conn.openTGroup(address, 0, function (err) {
-			if(err) {
-				callback(err);
-				return;
-			}
-			var msg = eibd.createMessage('read');
-			conn.sendAPDU(msg, callback);
-		});
-	});
-}
-
-var host = process.argv[2];
-var port = process.argv[3];
-var gad = process.argv[4];
-
-if(!host || !port) {
-	console.log('Usage:');
-	console.log('groupread <host> <port> <gad>');
-	console.log('Sends read request to the knxd listening on <host>:<port> for group address <gad>');
-	console.log('');
-	console.log('groupread --socket <path> <gad>');
-	console.log('Sends read request to the local knxd listening on unix socket <path> for group address <gad>');
-	console.log('');
-	console.error('Parameter missing.');
-} else if(!gad) {
-	console.error('[ERROR] No gad given');
-} else {
-	if (host==='--socket') {
-		var opts = {path:port}; //path is hiding behind port variable from args
-	} else {
-		opts = { 
-			host: host, 
-			port: port 
-		};
-	}
-	groupread(opts, gad, function(err) {
-		if(err) {
-			console.error('[ERROR]'+err);
-		} else {
-			console.log('Read request sent.');
-		}
-	});
-}
+#!/usr/bin/env node
+
+'use strict';
+
+var eibd = require('../');
+/**
+ * groupread
+ */
+function groupread(opts, gad, callback) {
+	var conn = new eibd.Connection();
+	conn.socketRemote(opts, function(err) {
+
+		if(err) {
+			callback(err);
+			return;
+		}
+
+		var address = eibd.str2addr(gad);
+		conn.openTGroup(address, 0, function (err) {
+			if(err) {
+				callback(err);
+				return;
+			}
+			var msg = eibd.createMessage('read');
+			conn.sendAPDU(msg, callback);
+		});
+	});
+}
+
+var host = process.argv[2];
+var port = process.argv[3];
+var gad = process.argv[4];
+
+if(!host || !port) {
+	console.log('Usage:');
+	console.log('groupread <host> <port> <gad>');
+	console.log('Sends read request to the knxd listening on <host>:<port> for group address <gad>');
+	console.log('');
+	console.log('groupread --socket <path> <gad>');
+	console.log('Sends read request to the local knxd listening on unix socket <path> for group address <gad>');
+	console.log('');
+	console.error('Parameter missing.');
+} else if(!gad) {
+	console.error('[ERROR] No gad given');
+} else {
+	if (host==='--socket') {
+		var opts = {path:port}; //path is hiding behind port variable from args
+	} else {
+		opts = {
+			host: host,
+			port: port
+		};
+	}
+	groupread(opts, gad, function(err) {
+		if(err) {
+			console.error('[ERROR]'+err);
+		} else {
+			console.log('Read request sent.');
+		}
+	});
+}
diff --git a/bin/groupsend b/bin/groupsend
index 254504b..7a3103f 100755
--- a/bin/groupsend
+++ b/bin/groupsend
@@ -1,95 +1,95 @@
-#!/usr/bin/env node
-
-'use strict';
-
-var eibd = require('../');
-
-/**
- * groupsend
- * Send a KNX telegram with support for read/write/response messages and DPT1, DPT2, DPT3, DPT5, DPT9 data format
- * Contains functionality from groupread/groupwrite/groupswrite in one cmd line application
- *
- * Arguments: host port gad action dpt value 
- * host = ipadress (Ex. 127.0.0.1 - localhost - host.com)5
- * port = portnumber (Ex. 6720)
- * gad = groupnumber (Ex. 1/2/34)
- * action = eibd action (read , write or response)
- * dpt = data point type for write/response (Ex. DPT1, DPT2, DPT3, DPT5, DPT9)
- * value = data value for write/response (Ex. true , 23 , 12.23)
- */
-function send(opts, gad, action, dpt, value, callback) { 
-  var conn = new eibd.Connection();
-  conn.socketRemote(opts, function(err) {
-
-    if(err) {
-      callback(err);
-      return;
-    }
-
-    var address = eibd.str2addr(gad);
-    conn.openTGroup(address, 0, function (err) {
-      if(err) {
-        callback(err);
-        return;
-      }
-      
-      var msg = eibd.createMessage(action, dpt, parseFloat(value));
-      conn.sendAPDU(msg, callback);
-
-    });
-  });
-}
-
-var host = process.argv[2];
-var port = process.argv[3];
-var gad = process.argv[4];
-var action = process.argv[5];
-var dpt = process.argv[6];
-var value = process.argv[7];
-
-
-var argumentsError;
-if(!host || !port) {
-  argumentsError = '[ERROR] No hostname and port or --socket and path';
-} else if(!gad) {
-  argumentsError = '[ERROR] No gad given';
-} else if(!action || action !== 'response' && action !== 'read' && action !== 'write') {
-  argumentsError = '[ERROR] Wrong action, should be read, write or response';
-  console.log(action);
-} else if(!dpt && action !== 'read') {
-  argumentsError = '[ERROR] Response and write action require a DPT value';
-} else if (action !== 'read' && dpt.indexOf('DPT1') !== 0 && dpt.indexOf('DPT5') !== 0 && dpt.indexOf('DPT9') !== 0) {
-  argumentsError = '[ERROR] Wrong DPT, only DPT1, DPT5 and DPT9 are implemented';
-} else if(!value && (action === 'response' || action === 'write')) {
-  argumentsError = '[ERROR] Response and write actions require a value';
-}
-
-if(argumentsError) {
-  console.error('\n' + argumentsError + '\n\n');
-  console.log('Usage:')
-  console.log(' groupsend <host> <port> gad action dpt value');
-  console.log(' groupsend --socket <path> gad action dpt value \n\n');
-  console.log('host = ipadress (Ex. 127.0.0.1 - localhost - host.com)');
-  console.log('port = portnumber (Ex. 6720)');
-  console.log('<path> = alternative UNIX socket (Ex. /run/knx)')
-  console.log('gad = groupnumber (Ex. 1/2/34)');
-  console.log('action = eibd action (read , write or response)');
-  console.log('dpt = data point type (Ex. DPT1, DPT2, DPT3, DPT5, DPT9)');
-  console.log('value = data value for write/response (Ex. true , 23 , 12.23)');
-} else {
-	if (host==='--socket') {
-		var opts = {path:port}; //path is hiding behind port variable from args
-	} else {
-		opts = { 
-			host: host, 
-			port: port 
-		};
-	}
-  send(opts, gad, action, dpt, value, function(err) {
-    if(err) {
-      console.error('[ERROR]'+err);
-    } else {
-    	console.log('Action completed.');
-    }
-  });
-}
+#!/usr/bin/env node
+
+'use strict';
+
+var eibd = require('../');
+
+/**
+ * groupsend
+ * Send a KNX telegram with support for read/write/response messages and DPT1, DPT2, DPT3, DPT5, DPT9 data format
+ * Contains functionality from groupread/groupwrite/groupswrite in one cmd line application
+ *
+ * Arguments: host port gad action dpt value
+ * host = ipadress (Ex. 127.0.0.1 - localhost - host.com)5
+ * port = portnumber (Ex. 6720)
+ * gad = groupnumber (Ex. 1/2/34)
+ * action = eibd action (read , write or response)
+ * dpt = data point type for write/response (Ex. DPT1, DPT2, DPT3, DPT5, DPT9)
+ * value = data value for write/response (Ex. true , 23 , 12.23)
+ */
+function send(opts, gad, action, dpt, value, callback) {
+  var conn = new eibd.Connection();
+  conn.socketRemote(opts, function(err) {
+
+    if(err) {
+      callback(err);
+      return;
+    }
+
+    var address = eibd.str2addr(gad);
+    conn.openTGroup(address, 0, function (err) {
+      if(err) {
+        callback(err);
+        return;
+      }
+
+      var msg = eibd.createMessage(action, dpt, parseFloat(value));
+      conn.sendAPDU(msg, callback);
+
+    });
+  });
+}
+
+var host = process.argv[2];
+var port = process.argv[3];
+var gad = process.argv[4];
+var action = process.argv[5];
+var dpt = process.argv[6];
+var value = process.argv[7];
+
+
+var argumentsError;
+if(!host || !port) {
+  argumentsError = '[ERROR] No hostname and port or --socket and path';
+} else if(!gad) {
+  argumentsError = '[ERROR] No gad given';
+} else if(!action || action !== 'response' && action !== 'read' && action !== 'write') {
+  argumentsError = '[ERROR] Wrong action, should be read, write or response';
+  console.log(action);
+} else if(!dpt && action !== 'read') {
+  argumentsError = '[ERROR] Response and write action require a DPT value';
+} else if (action !== 'read' && dpt.indexOf('DPT1') !== 0 && dpt.indexOf('DPT5') !== 0 && dpt.indexOf('DPT9') !== 0) {
+  argumentsError = '[ERROR] Wrong DPT, only DPT1, DPT5 and DPT9 are implemented';
+} else if(!value && (action === 'response' || action === 'write')) {
+  argumentsError = '[ERROR] Response and write actions require a value';
+}
+
+if(argumentsError) {
+  console.error('\n' + argumentsError + '\n\n');
+  console.log('Usage:')
+  console.log(' groupsend <host> <port> gad action dpt value');
+  console.log(' groupsend --socket <path> gad action dpt value \n\n');
+  console.log('host = ipadress (Ex. 127.0.0.1 - localhost - host.com)');
+  console.log('port = portnumber (Ex. 6720)');
+  console.log('<path> = alternative UNIX socket (Ex. /run/knx)')
+  console.log('gad = groupnumber (Ex. 1/2/34)');
+  console.log('action = eibd action (read , write or response)');
+  console.log('dpt = data point type (Ex. DPT1, DPT2, DPT3, DPT5, DPT9)');
+  console.log('value = data value for write/response (Ex. true , 23 , 12.23)');
+} else {
+	if (host==='--socket') {
+		var opts = {path:port}; //path is hiding behind port variable from args
+	} else {
+		opts = {
+			host: host,
+			port: port
+		};
+	}
+  send(opts, gad, action, dpt, value, function(err) {
+    if(err) {
+      console.error('[ERROR]'+err);
+    } else {
+    	console.log('Action completed.');
+    }
+  });
+}
diff --git a/bin/groupsocketlisten b/bin/groupsocketlisten
index 2ccec5c..7ae102e 100755
--- a/bin/groupsocketlisten
+++ b/bin/groupsocketlisten
@@ -66,6 +66,6 @@ if(!host || !port) {
     } else {
       console.error('[ERROR] '+err);
     }
-  
+
   });
 }
diff --git a/bin/groupswrite b/bin/groupswrite
index c8ca985..6b8a4d2 100644
--- a/bin/groupswrite
+++ b/bin/groupswrite
@@ -47,9 +47,9 @@ if(!host || !port) {
 	if (host==='--socket') {
 		var opts = {path:port}; //path is hiding behind port variable from args
 	} else {
-		opts = { 
-			host: host, 
-			port: port 
+		opts = {
+			host: host,
+			port: port
 		};
 	}
 	groupswrite(opts, gad, value, function(err) {
@@ -60,5 +60,3 @@ if(!host || !port) {
 		}
 	});
 }
-
-
diff --git a/bin/groupwrite b/bin/groupwrite
index e3a2e23..1a061ed 100755
--- a/bin/groupwrite
+++ b/bin/groupwrite
@@ -1,63 +1,63 @@
-#!/usr/bin/env node
-
-'use strict';
-
-var eibd = require('../');
-/**
- * groupwrite
- * send a group write telegram to a group address (for DPT5 values)
- */
-function groupwrite(opts, gad, value, callback) {
-	var conn = eibd.Connection();
-	var address = eibd.str2addr(gad);
-	conn.socketRemote(opts, function(err) {
-		if (err) {
-			callback(err);
-			return;
-		}
-		conn.openTGroup(address, 1, function (err) {
-			if(err) {
-				callback(err);
-				return;
-			}
-			var msg = eibd.createMessage('write', 'DPT5', parseInt(value));
-			conn.sendAPDU(msg, callback);
-		});
-	});
-}
-
-var host = process.argv[2];
-var port = process.argv[3];
-var gad = process.argv[4];
-var value = process.argv[5];
-
-if(!host || !port) {
-	console.log('Usage:');
-	console.log('groupwrite <host> <port> <gad> <value>');
-	console.log('Sends a (DPT5) value to the knxd listening on <host>:<port> for group address <gad>');
-	console.log('');
-	console.log('groupwrite --socket <path> <gad> <value>');
-	console.log('Sends a (DPT5) value to the local knxd listening on unix socket <path> for group address <gad>');
-	console.log('');
-	console.error('[ERROR] No hostname or port, nor UNIX socket.');
-} else if(!gad) {
-	console.error('[ERROR] No gad given');
-} else if(!value) {
-	console.error('[ERROR] No value given');
-} else {
-	if (host==='--socket') {
-		var opts = {path:port}; //path is hiding behind port variable from args
-	} else {
-		opts = { 
-			host: host, 
-			port: port 
-		};
-	}
-	groupwrite(opts, gad, value, function(err) {
-		if(err) {
-			console.error('[ERROR]' + err);
-		} else {
-			console.log('Value written.');
-		}
-	});
-}
+#!/usr/bin/env node
+
+'use strict';
+
+var eibd = require('../');
+/**
+ * groupwrite
+ * send a group write telegram to a group address (for DPT5 values)
+ */
+function groupwrite(opts, gad, value, callback) {
+	var conn = eibd.Connection();
+	var address = eibd.str2addr(gad);
+	conn.socketRemote(opts, function(err) {
+		if (err) {
+			callback(err);
+			return;
+		}
+		conn.openTGroup(address, 1, function (err) {
+			if(err) {
+				callback(err);
+				return;
+			}
+			var msg = eibd.createMessage('write', 'DPT5', parseInt(value));
+			conn.sendAPDU(msg, callback);
+		});
+	});
+}
+
+var host = process.argv[2];
+var port = process.argv[3];
+var gad = process.argv[4];
+var value = process.argv[5];
+
+if(!host || !port) {
+	console.log('Usage:');
+	console.log('groupwrite <host> <port> <gad> <value>');
+	console.log('Sends a (DPT5) value to the knxd listening on <host>:<port> for group address <gad>');
+	console.log('');
+	console.log('groupwrite --socket <path> <gad> <value>');
+	console.log('Sends a (DPT5) value to the local knxd listening on unix socket <path> for group address <gad>');
+	console.log('');
+	console.error('[ERROR] No hostname or port, nor UNIX socket.');
+} else if(!gad) {
+	console.error('[ERROR] No gad given');
+} else if(!value) {
+	console.error('[ERROR] No value given');
+} else {
+	if (host==='--socket') {
+		var opts = {path:port}; //path is hiding behind port variable from args
+	} else {
+		opts = {
+			host: host,
+			port: port
+		};
+	}
+	groupwrite(opts, gad, value, function(err) {
+		if(err) {
+			console.error('[ERROR]' + err);
+		} else {
+			console.log('Value written.');
+		}
+	});
+}