Index: src/compdic/compdic-fst-minus
===================================================================
--- src/compdic/compdic-fst-minus	(revision f4bf33ed04eb342d17a377035e58f078b78159c3)
+++ src/compdic/compdic-fst-minus	(revision f4bf33ed04eb342d17a377035e58f078b78159c3)
@@ -0,0 +1,18 @@
+
+if [ $# -ne 2 ]
+then
+    echo "Usage:"
+    echo "        compdic-fst-remove <automaton1> <automaton2>"
+    echo "where"
+    echo "    <automaton1> - automaton in openfst format"
+    echo "    <automaton2> - automaton in openfst format containing paths to be removed from <automaton1>"
+    exit 0
+fi	
+
+tempdir=`mktemp -d /tmp/compdic.XXXXXX`
+
+automaton=$tempdir/output.fst
+
+fstdifference $1 $2 | fsttopsort > $automaton
+mv $automaton $1
+rm -r $tempdir