Whitespace cleanup

* remove trailing whitespace
* remove empty lines at the end of files

plugins/poseidon/snmp__poseidon-sensors

@@ -29,7 +29,7 @@
 E_OK="0"			#  everything went allright
 E_UNKNOWN="1"			#  "catch all" for otherwise unhandled errors
 
-E_ARG="81"			#  invalid argument		
+E_ARG="81"			#  invalid argument
 E_USAGE="82"			#  wrong program name or arguments
 E_SNMPGET="83"			#  error while executing the 'snmpget' utility
 
@@ -57,12 +57,12 @@ SENS_VALUE_OID=".1.3.6.1.4.1.21796.3.3.3.1.6."	 #  integer (decimal * 10)
 SENS_ID_OID=".1.3.6.1.4.1.21796.3.3.99.1.2.1.4." #  unique sensor ID (integer)
 						 #+ representation of the
 						 #+ temperature (integer)
-SENS_UNIT_OID=".1.3.6.1.4.1.21796.3.3.3.1.9."	 #  0=°C,1=°F,2=°K,3=%,4=V,5=mA, 
+SENS_UNIT_OID=".1.3.6.1.4.1.21796.3.3.3.1.9."	 #  0=°C,1=°F,2=°K,3=%,4=V,5=mA,
 RTS_OUTPUT_OID=".1.3.6.1.4.1.21796.3.3.2.1.2."	 #  binary input state (integer)
 						 #+ 6=unknown, 7=pulse, 8=switch
 
 #  define some Poseidon specific stuff:
-STATE_OK="1"			
+STATE_OK="1"
 STATE_WARN="2"
 STATE_CRIT="3"
 UNITS=("C" "F" "K" "%" "V" "mA" "unknown" "pulse" "switch")
@@ -100,13 +100,13 @@ EOT
                                 cat <<- EOT
 multigraph $sensorType
 graph_title $sensorLocation - $sensorType [$sensorUnit]
-graph_args --base 1000 -l 0 
+graph_args --base 1000 -l 0
 graph_vlabel $sensorUnit
 graph_category sensors
 graph_info This graph shows $sensorType history.
 EOT
                         fi
-                        _firstSensor="0" 	
+                        _firstSensor="0"
 	        	cat <<- EOT
 $sensorType$_sensorNr.label $sensorName
 $sensorType$_sensorNr.info  This graph shows $sensorType$_sensorNr history.
@@ -158,7 +158,7 @@ EOT
 
 #  getSensorData(sensorNr)
 #  fetch state, value, name unit and sensor type for the sensor
-#+ with the number "sensorNr" 
+#+ with the number "sensorNr"
 getSensorData() {
 	_sensorNr=$1
 	sensorState=`snmpGet $hostAddr $SENS_STATE_OID$_sensorNr || err \
@@ -172,7 +172,7 @@ getSensorData() {
 }
 
 #  getSystemInfo()
-#  fetch general information about the system 
+#  fetch general information about the system
 getSystemInfo() {
 	sensorLocation="`snmpGet $hostAddr $SYS_LOC_OID`"
 }
@@ -185,22 +185,22 @@ snmpGet () {
 	_host="$1"
 	_exit="0"
 
-	#  fetch the requested OID 
+	#  fetch the requested OID
 	_longValue="`snmpget	-O v\
 				-m $MIBS\
 				-v $SNMPVERSION\
 				-c $SNMPCOMMUNITY\
 				$_host $_oid 2>/dev/null`"
-	
+
 	_exitStatus="$?"
 
 	echo ${_longValue#*:}	#  remove the type from the answer
 	return $_exitStatus
-} 
+}
 
 #  get unit (string)
-#+ find out the unit of the output of a given sensor. possible units are: 
-#+ "C" "F" "K" "%" "V" "mA" "unknown" "pulse" "switch" 
+#+ find out the unit of the output of a given sensor. possible units are:
+#+ "C" "F" "K" "%" "V" "mA" "unknown" "pulse" "switch"
 getSensorUnitString () {
 	_sensorNr=$1
 	_sensorUnit=`snmpGet $hostAddr $SENS_UNIT_OID$_sensorNr || err \
@@ -209,7 +209,7 @@ getSensorUnitString () {
 }
 
 #  get type (string)
-#+ find out what type of sensor we are dealing with. possible types are: 
+#+ find out what type of sensor we are dealing with. possible types are:
 #+ "Temp" "Hum" "Volt" "Curr" "Unkn" "Pulse" "Switch"
 getSensorType () {
 	_sensorNr=$1
@@ -223,19 +223,19 @@ getSensorType () {
 #+ in the array for the respective unit
 getAvailableSensorsByType () {
 	_thisSensorNr="1"
-	
+
 	#  initial fetch
 	_snmpget=`snmpGet $hostAddr $SENS_UNIT_OID$_thisSensorNr`
 	_nextSensorExits=$?
 	_unit=`echo "$_snmpget" | tr -d " "`
 
-	#  add next sensor if it exists  
-	while [ true ]; do 
+	#  add next sensor if it exists
+	while [ true ]; do
 		#  add sensors of the same type to a list
-		sensorsOfType[$_unit]="${sensorsOfType[$_unit]} $_thisSensorNr"	
-	
+		sensorsOfType[$_unit]="${sensorsOfType[$_unit]} $_thisSensorNr"
+
 		#  fetch next sensor
-		_thisSensorNr=$(($_thisSensorNr+1)) 
+		_thisSensorNr=$(($_thisSensorNr+1))
 		_snmpget=`snmpGet $hostAddr $SENS_UNIT_OID$_thisSensorNr`
 		_nextSensorExits=$?
 
@@ -243,7 +243,7 @@ getAvailableSensorsByType () {
 		if [ $_nextSensorExits -ne 0 ]; then
 			break
 		fi
-		
+
 		_unit=`echo "$_snmpget" |cut -d" " -f 4`
 	done
 }
@@ -264,7 +264,7 @@ sanitize () {
 }
 
 #  usage ()
-#  print usage 
+#  print usage
 usage () {
 	echo "usage: snmp_<host>_poseidon-sensors [config|snmpconf]" 1>&2
 	exit $E_USAGE
@@ -279,7 +279,7 @@ err () {
 	else
 		_errorMsg="Fatal: An unknown error occurred! Exiting..."
 		_exitCode="$E_UNKNOWN"
-		
+
 	fi
 
 	#  print error message to STDERR ...
@@ -291,13 +291,13 @@ err () {
 #==============================================================================#
 
 #  SNMP Config
-MIBS=":"			#  we don't use any configured MIBs so we don't 
+MIBS=":"			#  we don't use any configured MIBs so we don't
 				#+ have to deal with errors in the MIBs
-if [ -z $SNMPVERSION ]; then 
+if [ -z $SNMPVERSION ]; then
 	SNMPVERSION="1"		#  as of firmware 3.1.5 only SNMPv1 is supported
 fi
 
-if [ -z $SNMPCOMMUNITY ]; then 
+if [ -z $SNMPCOMMUNITY ]; then
 	SNMPCOMMUNITY="public"	#  SNMP community string to read from the device
 fi
 
@@ -326,11 +326,11 @@ hostAddr="`basename "$0" | cut -d "_" -f 2`"
 if [ "$myName" = "snmp_poseidon-sensors" ]; then
 	hostAddr=`sanitize $hostAddr || err \
 		"Fatal: Invalid argument \"$hostAddr\"! Exiting..." $E_ARG`
-	if [ -z "$hostAddr" ]; then 
+	if [ -z "$hostAddr" ]; then
 		usage munin
 	fi
 	getAvailableSensorsByType
-	if [ "$1" = "config" ]; then 
+	if [ "$1" = "config" ]; then
 		printMuninConfig
 		exit $E_OK
 	elif [ "$1" = "snmpconfig" ]; then