diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d6e044a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+solveurGLPK/
\ No newline at end of file
diff --git a/install_glpk.sh b/install_glpk.sh
new file mode 100755
index 0000000..beb7526
--- /dev/null
+++ b/install_glpk.sh
@@ -0,0 +1,22 @@
+mkdir solveurGLPK
+cd solveurGLPK
+mkdir sources
+cd sources
+
+wget ftp://ftp.gnu.org/gnu/glpk/glpk-5.0.tar.gz
+tar -xzvf glpk-5.0.tar.gz
+cd glpk-5.0
+
+./configure --disable-shared
+make
+#make --jobs=4
+make check
+
+cd ../..
+mkdir executables
+cp sources/glpk-5.0/examples/glpsol executables/. 
+cp sources/glpk-5.0/doc/glpk.pdf executables/. 
+cp sources/glpk-5.0/doc/gmpl.pdf executables/.  
+
+cd executables 
+./glpsol --help
diff --git a/notebook.ipynb b/notebook.ipynb
index a19819c..a21fd59 100644
--- a/notebook.ipynb
+++ b/notebook.ipynb
@@ -110,11 +110,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# on teste de lire tous les fichiers .opb\n",
+    "# on convert tous les .opb et .lp\n",
     "for (root, dirs, files) in walkdir(\"data\")\n",
     "    for file in files\n",
     "        if endswith(file, \".opb\")\n",
-    "            readKnapInstance(root * \"/\" * file)\n",
+    "            price, weight, capacity = readKnapInstance(root * \"/\" * file)\n",
+    "            \n",
     "        end\n",
     "    end\n",
     "end"