--- prog/fiaif-update.orig

+++ prog/fiaif-update

@@ -83,7 +83,7 @@

     echo "New version of $(basename ${ORIG_FILE}) found."

     diff ${DIFF_OPTIONS} ${ORIG_FILE} ${NEW_FILE}

     if (( VERBOSE == 1 )); then

-	while [[ "${ANS}" != @(Y|y|N|n) ]]; do

+	while [[ ("${ANS}" !=  "Y") && ("${ANS}" !=  "y") && ("${ANS}" !=  "N") && ("${ANS}" !=  "n") ]]; do

 	    read -p "Update $(basename ${ORIG_FILE}) to version ${NEW_VERSION} (y|n)" ANS

 	done

     else