Added new commandline switch -l to provide human-readable timestamps for the x-axis

scripts/dcdbplot

@@ -7,6 +7,7 @@ INFILETMP=0
 ZEROOFFSET=0
 SMOOTH=""
 CLEANTEMP=1
+LOCALTIME=0
 
 if [ "$#" -ge "1" ]; then
 	while [ "${1:0:1}" == "-" ]; do
@@ -19,6 +20,8 @@ if [ "$#" -ge "1" ]; then
 				;;
 			t)	CLEANTEMP=0
 				;;
+			l)	LOCALTIME=1
+				;;
 			*)	echo "Unknown Parameter $1"
 				;;
 		esac
@@ -38,6 +41,7 @@ if [ -t 0 ]; then
 		echo "   -c       Smooth graph with csplines"
 		echo "   -z       Start y-axis at 0"
 		echo "   -t       Don't clean temporary files"
+		echo "   -l       Print timestamps as local time"
 		exit
 	fi
 	INFILE=$1
@@ -91,16 +95,19 @@ while read -r i; do
 done <<< "$S"
 
 # Find the smallest time stamp
-U="2999999999999999999"
-while read -r i; do
-	T=`head -n1 $TMP/${i}.dat | awk -F "," '{print $2}'`
-	echo "$T" | grep ":" > /dev/null
-	echo "$TMP/${i}.dat starts at: $T"
-	if [ "$T" -lt "$U" ]; then
-		U="$T"
-	fi
-done <<< "$S"
-echo "Plot starts at: $U"
+U=0
+if [ "$LOCALTIME" != "1" ]; then 
+	U="2999999999999999999"
+	while read -r i; do
+		T=`head -n1 $TMP/${i}.dat | awk -F "," '{print $2}'`
+		echo "$T" | grep ":" > /dev/null
+		echo "$TMP/${i}.dat starts at: $T"
+		if [ "$T" -lt "$U" ]; then
+			U="$T"
+		fi
+	done <<< "$S"
+	echo "Plot starts at: $U"
+fi
 
 # Write new data files with updated time stamps
 while read -r i; do
@@ -130,6 +137,15 @@ set output '$OUTFILE'
 EOF
 fi
 
+if [ "$LOCALTIME" == "1" ]; then
+	cat >> $TMP/plot.gplt << EOF
+set xdata time
+set timefmt "%s"
+set format x "%H:%M:%S\n%d/%m/%Y"
+EOF
+fi
+
+
 if [ "$ZEROOFFSET" == "1" ]; then
 	echo "set yrange [0:]" >> $TMP/plot.gplt
 fi