epm-sh-functions: skip commented code from help output

bin/epm-sh-functions

@@ -210,7 +210,7 @@ set_sudo()
 # print options description from HELPCMD/HELPOPT lines in the code
 get_help()
 {
-    grep -- "# $1" $0 | while read n ; do
+    grep -v -- "^#" $0 | grep -- "# $1" | while read n ; do
         opt=$(echo $n | sed -e "s|) # $1:.*||g")
         desc=$(echo $n | sed -e "s|.*) # $1:||g")
         printf "    %-20s %s\n" $opt "$desc"