diff --git a/utils/typo.sh b/utils/typo.sh
new file mode 100755
index 00000000..e7ae3c63
--- /dev/null
+++ b/utils/typo.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+#Author: Romain Goffe
+#Date: 27/10/2010
+#Description: apply typo rules depending on language for songs (.sg files)
+#Commentary: to be merge with latex-preprocessing script
+
+for song in songs/*/*.sg; do
+    if grep -q "selectlanguage{english}" $song
+    then
+	sed -i "s/ ?/?/g" $song;
+	sed -i "s/ !/!/g" $song;
+	sed -i "s/ :/:/g" $song;
+    fi;
+    if grep -q "selectlanguage{french}" $song
+    then
+	sed -i "s/?/ ?/g" $song;
+	sed -i "s/  ?/ ?/g" $song;
+	sed -i "s/!/ !/g" $song;
+	sed -i "s/  !/ !/g" $song;
+	sed -i "s/:/ :/g" $song;
+	sed -i "s/  :/ :/g" $song;
+    fi;
+done;