5419 update check packages2install

... and create docs subfolder

check_packages2install-pkgmanager/yum.sh

@@ -26,7 +26,8 @@ function yum.getUpdates(){
 function yum.getPackageList(){
     local iStart=3
     # detect number of line containing "Obsoleting Packages"
-    typeset -i iEnd=$( echo "$packagemanOut" | grep -n '^Obsoleting Packages' | cut -f 1 -d ':' )-1
+    typeset -i local iEnd
+    iEnd=$( echo "$packagemanOut" | grep -n '^Obsoleting Packages' | cut -f 1 -d ':' )-1
 
     local sEnd=$iEnd
     test "$iEnd" = "-1" && sEnd='$'