little update from han

util/fluxbox-generate_menu

@@ -22,21 +22,26 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
 #
-# $Id: fluxbox-generate_menu,v 1.47 2003/08/04 14:13:33 rathnor Exp $
+# $Id: fluxbox-generate_menu,v 1.48 2003/08/05 12:36:54 rathnor Exp $
 
 #
 # Portability notes:
 # To guarantee this script works on all platforms that support fluxbox
 # please keep the following restrictions in mind:
 #
-# don't use if ! command;, use command; if [ $? -ne 0 ];
-# don't use [ -e file ] use [ -r file ]
-# don't use $(), use ``
-# don't use ~, use ${HOME}
-# don't use id -u, use whoami
-# getopts won't work on all platforms, but the config-file can
+# - don't use if ! command;, use command; if [ $? -ne 0 ];
+# - don't use [ -e file ] use [ -r file ]
+# - don't use $(), use ``
+# - don't use ~, use ${HOME}
+# - don't use id -u, use whoami
+# - getopts won't work on all platforms, but the config-file can
 #   compensate for that.
-#
+# - various software like grep/sed/perl may be not present or not
+#   the version you have. for example grep '\W' only works on gnu-grep.
+#   Keep this in mind, use bare basic defaults.
+# - Do _NOT_ suggest to use #!/bin/bash. Not everybody uses bash.
+#   Non portable features like getopts in this script can be achieved in 
+#   other ways. 
 
 
 WHOAMI=`whoami`
@@ -143,14 +148,12 @@ append_menu_end() {
 
 menu_entry() {
     if [ -f "$1" ]; then
-        append "[exec] (`grep '^[ 	]*Name=' \"$1\" | head -1 | cut -d = -f 2`) \
-        {`grep '^[ 	]*Exec=' \"$1\" | head -1 | cut -d = -f 2`}"
+        #                   space&tab here
+        entry_name=`grep '^[	 ]*Name=' "$1" | head -1 | cut -d = -f 2`
+        entry_exec=`grep '^[	 ]*Exec=' "$1" | head -1 | cut -d = -f 2`
+        if [ -n "$entry_name" -a -n "$entry_exec" ]; then
+            append "[exec] ($entry_name) {$entry_exec}"
         fi
-}
-
-menu_entry_dircheck() {
-    if [ -d "$*" ]; then
-        menu_entry_dir "$*"
     fi
 }
 
@@ -160,6 +163,12 @@ menu_entry_dir() {
     done
 }
 
+menu_entry_dircheck() {
+    if [ -d "$*" ]; then
+        menu_entry_dir "$*"
+    fi
+}
+
 
 # recursively build a menu from the listed directories
 # the dirs are merged