4 usage
() { echo "usage: $0 [-ensw] HOST:RDPY/LDPY"; }
5 while getopts "hensw" opt
; do
15 shift $
(( $OPTIND - 1))
16 case $bogus,$#,$1 in nil
,1,*:*/*) ;; *) usage
>&2; exit 2 ;; esac
17 host=${1%:*} dpy
=${1##*:}; rdpy
=${dpy%%/*} ldpy
=${dpy#*/}
18 control
=ControlPath
=~
/.
ssh/sock-
%l
/control-
%r@
%h.x2x
19 ssh -o
$control -L
"/tmp/.X11-unix/X$ldpy:/tmp/.X11-unix/X$rdpy" -Nafx
"$host"
21 trap 'trap - INT QUIT HUP EXIT; ssh -o$control -Oexit "$host"; rm -f "/tmp/.X11-unix/X$ldpy"' INT QUIT HUP EXIT
22 x2x
-$dir -to
":$ldpy"