diff --git a/application/class/Bdd.php b/application/class/Bdd.php
index 88b2143..4c8984d 100644
--- a/application/class/Bdd.php
+++ b/application/class/Bdd.php
@@ -6,7 +6,7 @@ class Bdd
 {
     public $bdd;
 
-    public function __construct($bdd = 'bdd1')
+    public function __construct($bdd = 'default')
     {
         switch ($bdd) {
             case 'bdd1':
diff --git a/email_filter.sh b/email_filter.sh
new file mode 100644
index 0000000..db3e9c2
--- /dev/null
+++ b/email_filter.sh
@@ -0,0 +1,65 @@
+#!/bin/sh
+
+git filter-branch -f --env-filter '
+OLD_EMAIL="acksop@yahoo.fr"
+CORRECT_NAME="Emmanuel ROY"
+CORRECT_EMAIL="emmanuel.roy@infoartsmedia.fr"
+if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_COMMITTER_NAME="$CORRECT_NAME"
+    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
+fi
+if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_AUTHOR_NAME="$CORRECT_NAME"
+    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
+fi
+' --tag-name-filter cat -- --branches --tags
+
+git filter-branch -f --env-filter '
+OLD_EMAIL="acksop@gmail.com"
+CORRECT_NAME="Emmanuel ROY"
+CORRECT_EMAIL="emmanuel.roy@infoartsmedia.fr"
+if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_COMMITTER_NAME="$CORRECT_NAME"
+    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
+fi
+if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_AUTHOR_NAME="$CORRECT_NAME"
+    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
+fi
+' --tag-name-filter cat -- --branches --tags
+
+git filter-branch -f --env-filter '
+OLD_EMAIL="emmanuel.roy1@ac-besancon.fr"
+CORRECT_NAME="Emmanuel ROY"
+CORRECT_EMAIL="emmanuel.roy1@ac-besancon.fr"
+if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_COMMITTER_NAME="$CORRECT_NAME"
+    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
+fi
+if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_AUTHOR_NAME="$CORRECT_NAME"
+    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
+fi
+' --tag-name-filter cat -- --branches --tags
+
+git filter-branch -f --env-filter '
+OLD_EMAIL="acksop@debian-gitlab.local"
+CORRECT_NAME="Emmanuel ROY"
+CORRECT_EMAIL="acksop@debian-gitlab.local"
+if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_COMMITTER_NAME="$CORRECT_NAME"
+    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
+fi
+if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
+then
+    export GIT_AUTHOR_NAME="$CORRECT_NAME"
+    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
+fi
+' --tag-name-filter cat -- --branches --tags
\ No newline at end of file