diff --git a/Fonctionnel.txt b/Fonctionnel.txt
index e56150b..1f60c49 100644
--- a/Fonctionnel.txt
+++ b/Fonctionnel.txt
@@ -3,14 +3,15 @@ set term dumb #nofeed
 set title 'Courbe de poids'
 set timefmt "%Y-%m-%d %H:%M:%S"
 set xdata time
-set xmtics
+#set xmtics
 set xlabel "Mois"
 #set xtics format "%Y-%d-%m"
+set xtics format "%m"
 set x2data time
 set x2label "Années"
 set x2tics format "%Y"
 set xtics nomirror
-
+set xrange [*:*]
 set datafile separator '|'
-plot 'data2.csv' using 3:1 pt '.' title ''
+plot 'data2.csv' using 3:1 pt '*' title ''
 #pause -1 'En attente de RETURN'
diff --git a/Fonctionnel.txt_ b/Fonctionnel.txt_
new file mode 100644
index 0000000..6a00a14
--- /dev/null
+++ b/Fonctionnel.txt_
@@ -0,0 +1,17 @@
+#set term dumb 50 20
+set term dumb #nofeed
+set title 'Courbe de poids'
+set timefmt "%Y-%m-%d %H:%M:%S"
+set xdata time
+#set xmtics
+set xlabel "Mois"
+#set xtics format "%Y-%d-%m"
+set xtics format "%m"
+set x2data time
+set x2label "Années"
+set x2tics format "%Y"
+set xtics nomirror
+set xrange ['2019-05-01 00:00:00':'2020-10-01 00:00:00']
+set datafile separator '|'
+plot 'data2.csv' using 3:1 pt '*' title ''
+#pause -1 'En attente de RETURN'
diff --git a/weight-cli.py b/weight-cli.py
index 6ac1dbd..a9956bb 100644
--- a/weight-cli.py
+++ b/weight-cli.py
@@ -57,7 +57,7 @@ def save_file_data():
 	linenum = 0
 	for row in contents:
 		if row.split(' ',1)[0] == 'plot':
-			contents.insert(linenum, "plot '"+args.data+"' using 3:1 pt '.' title ''\n")
+			contents.insert(linenum, "plot '"+args.data+"' using 3:1 pt '*' title ''\n")
 			del(contents[linenum+1])
 		linenum += 1
 	f = open("Fonctionnel.txt", "w")
@@ -139,6 +139,38 @@ def undo_remove():
 	
 def trace_graph():
 	""" Trace le graphe de l'évolution du poids avec Gnuplot """
+	if args.dates != None:
+		print(args.dates)
+		# set xrange [*:*]
+		f = open("Fonctionnel.txt", "r")
+		contents = f.readlines()
+		f.close()
+		linenum = 0
+		for row in contents:
+			motif = row.split(' ',2)[0]+' '+row.split(' ',2)[1]
+			if motif == 'set xrange':
+				contents.insert(linenum, "set xrange ['"+args.dates[0]+"':'"+args.dates[1]+"']\n")
+				del(contents[linenum+1])
+			linenum += 1
+		f = open("Fonctionnel.txt", "w")
+		contents = "".join(contents)
+		f.write(contents)
+		f.close()
+	else:
+		f = open("Fonctionnel.txt", "r")
+		contents = f.readlines()
+		f.close()
+		linenum = 0
+		for row in contents:
+			motif = row.split(' ',2)[0]+' '+row.split(' ',2)[1]
+			if motif == 'set xrange':
+				contents.insert(linenum, "set xrange [*:*]\n")
+				del(contents[linenum+1])
+			linenum += 1
+		f = open("Fonctionnel.txt", "w")
+		contents = "".join(contents)
+		f.write(contents)
+		f.close()
 	#process = Popen(['gnuplot', 'Fonctionnel.txt'], stdout=PIPE, stderr=PIPE)
 	process = Popen(['gnuplot', 'Fonctionnel.txt'])#, stdout=PIPE, stderr=PIPE)
 	stdout, stderr = process.communicate()
@@ -209,6 +241,10 @@ parser.add_argument('-g', '--graph',
 	help=_('optional : plot graph'),
 	action='store_true'
 )
+parser.add_argument('-ds', '--dates',
+	nargs=2,
+	help=_("optional : date_min date_max ; 'Y-m-d hh:mm:ss'")
+)
 parser.add_argument('-tst', '--tests',
 	help='optional tests operations',
 	action='store_true'