source: MondoRescue/branches/2.2.9/mindi-busybox/scripts/mkdiff_obj_bloat

#!/bin/sh

test -d "$1" || exit 1
test -d "$2" || exit 1

{
    (
        cd "$1" || exit 1
        find -name '*.o' -o -name '*.os' # -o -name '*.so'
    )
    (
        cd "$2" || exit 1
        find -name '*.o' -o -name '*.os' # -o -name '*.so'
    )
} | sed 's:^\./::' | sort | uniq | \
tee LST | \
(
IFS=''
while read -r oname; do
    if ! test -f "$1/$oname"; then
        echo "Only $2/$oname"
        continue
    fi
    if ! test -f "$2/$oname"; then
        echo "Only $1/$oname"
        continue
    fi
    $1/scripts/bloat-o-meter $1/$oname $2/$oname | grep 'otal: 0 byte' >/dev/null && continue
    $1/scripts/bloat-o-meter $1/$oname $2/$oname
    size $1/$oname $2/$oname
    echo
done
)