diff --git a/exemple/DataCimentAll.dat.txt b/exemple/DataCimentAll.dat
similarity index 100%
rename from exemple/DataCimentAll.dat.txt
rename to exemple/DataCimentAll.dat
diff --git a/exemple/ModelCiment.mod.txt b/exemple/ModelCiment.mod
similarity index 100%
rename from exemple/ModelCiment.mod.txt
rename to exemple/ModelCiment.mod
diff --git a/exemple/ModelCimentwithData.mod.txt b/exemple/ModelCimentwithData.mod
similarity index 100%
rename from exemple/ModelCimentwithData.mod.txt
rename to exemple/ModelCimentwithData.mod
diff --git a/exemple/PbCiment.lp.txt b/exemple/PbCiment.lp
similarity index 100%
rename from exemple/PbCiment.lp.txt
rename to exemple/PbCiment.lp