| 1 | #! /bin/sh -e |
| 2 | |
| 3 | case $#,$2 in |
| 4 | 0,* | 1,*) ok=nil ;; |
| 5 | *,*:*) ok=t ;; |
| 6 | *) ok=nil ;; |
| 7 | esac |
| 8 | case $ok in |
| 9 | nil) echo >&2 "usage: $0 DIR,... HOST:DISP [CMD ARGS ...]"; exit 2; ;; |
| 10 | esac |
| 11 | dirs=$1 host=${2%:*} dpy=${2##*:}; shift 2 |
| 12 | case $#,$1 in |
| 13 | 0, | 1,:slideshow) |
| 14 | set -- /usr/lib/xscreensaver/glslideshow -duration 10 -pan 10 \ |
| 15 | -xrm "'*desktopGrabber: ./getimg %s'" |
| 16 | ;; |
| 17 | 1,:photopile) |
| 18 | set -- /usr/lib/xscreensaver/photopile -no-titles -no-polaroid -shadows \ |
| 19 | -xrm "'*desktopGrabber: ./getimg %s'" |
| 20 | ;; |
| 21 | esac |
| 22 | |
| 23 | t=$(mktemp -d "${TMPDIR-/tmp}/remote-slidesshow.XXXXXXXX") |
| 24 | mkfifo "$t/pipe" |
| 25 | exec 3<>"$t/pipe" |
| 26 | rm -rf "$t" |
| 27 | |
| 28 | ssh -ax "$host" " |
| 29 | set -e |
| 30 | tmp=\$(mktemp -d \"\${TMPDIR-/tmp}/remote-slideshow.XXXXXXXX\") |
| 31 | trap 'cd / && rm -rf \$tmp' EXIT INT TERM HUP |
| 32 | cd \$tmp |
| 33 | IMAGEFILE=\$tmp/img; export IMAGEFILE |
| 34 | DISPLAY=:$dpy; export DISPLAY |
| 35 | exec 3<&0 4>&1 |
| 36 | cat >getimg <<'EOF' |
| 37 | #! /bin/sh -e |
| 38 | rm -f img |
| 39 | echo \"\$IMAGEFILE\" >&4 |
| 40 | xscreensaver-command -deactivate >/dev/null 2>&1 || : |
| 41 | IFS= read -r f <&3 |
| 42 | exec xscreensaver-getimage -directory \"\${IMAGEFILE%/*}\" -file img \"\$@\" |
| 43 | EOF |
| 44 | chmod +x getimg |
| 45 | $*" <&3 | |
| 46 | while IFS= read -r rdir; do |
| 47 | set -- \( -false |
| 48 | for e in jpg jpeg pjpeg pjpg png gif tif tiff xbm xpm; do |
| 49 | set -- "$@" -o -name "*.$e" |
| 50 | done |
| 51 | set -- "$@" \) -type f -print -o -type d \( -false |
| 52 | dd=$dirs |
| 53 | while :; do |
| 54 | case $dd in |
| 55 | "") break ;; |
| 56 | *,*) d=${dd##*,} dd=${dd%,*} ;; |
| 57 | *) d=$dd dd= ;; |
| 58 | esac |
| 59 | for i in $(find "$d" -name .slideshow-ignore -type f -print); do |
| 60 | while IFS= read -r line; do |
| 61 | case $line in \#*) continue ;; esac |
| 62 | set -- "$@" -o -path "${i%/*}/$line" |
| 63 | done <"$i" |
| 64 | done |
| 65 | set -- "$d" "$@" |
| 66 | done |
| 67 | set -- "$@" \) -prune |
| 68 | f=$(find "$@" | shuf -n1) |
| 69 | echo "$f" |
| 70 | scp "$f" "$host:$rdir" >/dev/null 2>&1 |
| 71 | echo done >&3 |
| 72 | done |