#! /bin/sh
#
# squoze
last=
ls -ldg
IFS='
'
while :
do
        set `ls -f | tail -10r`
        for i do
                case "$i" in "$last"|.|..) break 2;; esac
                # _ (underscore) is the "safe, short" filename
                /bin/mv -i "$i" _ && /bin/mv _ "$i"
        done
        last="$i"
done
ls -ldg