diff --git a/.gitignore b/.gitignore
index 3e0f233..bf100ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 a.out
+*.o
+fake-values
+
 
diff --git a/Makefile b/Makefile
index e69de29..a8c0bbc 100644
--- a/Makefile
+++ b/Makefile
@@ -0,0 +1,12 @@
+#
+#	must be run with gnu make
+#
+
+CC = gcc
+
+funcs.o:	funcs.c funcs.h Makefile
+	gcc -Wall -c $<
+
+fake-values:	fake-values.c funcs.o Makefile
+	gcc -Wall $< funcs.o -o $@
+
diff --git a/exemple.sh b/exemple.sh
index 099d8c2..38ffa28 100755
--- a/exemple.sh
+++ b/exemple.sh
@@ -3,11 +3,11 @@
 DATAFILE=/tmp/fake-datafile
 
 > ${DATAFILE}
-for s in $(seq 0 20)
+for s in $(seq 1 20)
 do
 
     v=$(./fake-values 2> /dev/null)
     echo $s $v | tee -a ${DATAFILE}
 done
 
-awk '{print ">  " $2}' < ${DATAFILE}
+awk '{print NR " " $2}' < ${DATAFILE}