--- sqldeveloper/bin/sqldeveloper.orig	Tue Jan 15 21:35:20 2008
+++ sqldeveloper/bin/sqldeveloper	Tue Jan 15 21:44:22 2008
@@ -19,7 +19,7 @@
     local rawAbsPath
 
     #  Test if $arg starts with '/'.
-    if [ "X`expr \"${pathname}\" : '\(/\).*'`" = "X/" ]
+    if [ "X`expr -- \"${pathname}\" : '\(/\).*'`" = "X/" ]
     then
     rawAbsPath="${pathname}"
     else
@@ -49,8 +49,8 @@
     local pathname="$1"
     while [ -h "$pathname" ] ; do
         local ls=`ls -ld "$pathname"`
-        local link=`expr "$ls" : '.*-> \(.*\)$'`
-        if expr "$link" : '.*/.*' > /dev/null
+        local link=`expr -- "$ls" : '.*-> \(.*\)$'`
+        if expr -- "$link" : '.*/.*' > /dev/null
         then
             pathname="$link"
         else