diff --git a/programme.sh b/programme.sh
index a830ba6..e27a74e 100755
--- a/programme.sh
+++ b/programme.sh
@@ -5,16 +5,33 @@ function path_to_name {
     echo ${PROGRAMPATH//\_/\ }
 }
 
-for directory in $(find . -name programme -type d); do
-    cat > programme_options.tex <<EOB 
-    \\newcommand{\\formation}{$(path_to_name $(basename ${directory%/programme}))}
+function buildProg()
+{
+	directory="$1"
+	cat > programme_options.tex <<EOB
+\\newcommand{\\formation}{$(path_to_name $(basename ${directory%/programme}))}
 \\newcommand{\\dossier}{$directory}
 EOB
-    #cat programme_options.tex
-    xelatex programme.tex
-    xelatex programme.tex
-    mv programme.pdf $directory/plan_de_formation_$(basename ${directory%/programme}).pdf
-    rm -f programme_options.tex
-done
+	xelatex programme.tex
+	xelatex programme.tex
+	set -x
+	mv programme.pdf $directory/plan_de_formation_$(basename ${directory%/programme}).pdf
+	set +x
+	rm -f programme_options.tex
+}
 
-tar -cf plans_de_formation.tar.gz --xform s:^.*/:: $(find . -name "plan_de_formation_*.pdf" -type f)
+if [[ -n ${1} ]]
+then
+	if [[ -d ${1} ]]
+	then
+		buildProg "${1}/programme"
+	else
+		echo "$1 does not exits !"
+		exit 4
+	fi
+else
+	for directory in $(find . -name programme -type d); do
+		buildProg $directory
+	done
+	tar -cf plans_de_formation.tar.gz --xform s:^.*/:: $(find . -name "plan_de_formation_*.pdf" -type f)
+fi