if [ ! -z "$screen" ]; then
if ! ls -l "$screen" | cut -d ' ' -f 1 | grep s >/dev/null; then
export SCREENDIR="$HOME/.screen/$HOSTNAME"
if [ ! -z "$screen" ]; then
if ! ls -l "$screen" | cut -d ' ' -f 1 | grep s >/dev/null; then
export SCREENDIR="$HOME/.screen/$HOSTNAME"