ipkg_is_upgrade () {
local A B a b
- A=$(echo $1 | sed "s/[0-9]*/ & /g")
- B=$(echo $2 | sed "s/[0-9]*/ & /g")
+ A=$(echo $1 | sed "s/[0-9]*/ & /g" | sed "s/[^ A-Za-z0-9]//g")
+ B=$(echo $2 | sed "s/[0-9]*/ & /g" | sed "s/[^ A-Za-z0-9]//g")
while [ \! -z "$A" ] && [ \! -z "$B" ]; do {
set $A; a=$1; shift; A=$*
set $B; b=$1; shift; B=$*