get_help: fix for support any command script

bin/epm-sh-functions

@@ -162,7 +162,7 @@ set_sudo()
 # print options description from HELPCMD/HELPOPT lines in the code
 get_help()
 {
-    grep "# $1" $PROGDIR/epm | while read n ; do
+    grep "# $1" $0 | while read n ; do
         opt=$(echo $n | sed -e "s|) # $1:.*||g")
         desc=$(echo $n | sed -e "s|.*) # $1:||g")
         printf "    %-20s %s\n" $opt "$desc"