Aram

#!/bin/sh

# change this to the directory you are interested in, if you want user home
# directory use $HOME
WRK_DIR=/tmp

# test if we called the script with proper arguments
if [ "$#" -ne "1" ] ; then
        echo "Script must be called with 1 parameter"

        exit 1
fi

# ENEMY is the name passed as a parameter
ENEMY="$1"

# do our stuff
find $WRK_DIR -user $ENEMY -print0 | xargs -0 chown $USER