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#!/bin/sh |
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# |
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# This script is based on work of mendel from |
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# http://www.lafferty.ca/software/webshots/webshot |
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# webshot: hackish thing to take a picture of a whole webpage. |
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# |
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# idea from sippey (http://www.sippey.com/2004/blog-snaps/) |
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# inspiration from bradfitz |
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# |
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# usage: webshot url filename |
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# |
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# JPEG seems to be the best format. |
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# |
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# Modified by Dobrica Pavlinusic 2004-07-25 |
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# - include signal grabbing |
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# - dynamic vncserver display |
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# - correct WindowID parsing |
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# - wait for browser to load full page (useful on slow links) |
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# |
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# It will need follwing external utilities: |
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# vncserver |
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# mozilla-firefox |
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# HEAD (part or LWP perl library, it can be commented out) |
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# nc (netcat, to simulate web server) |
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# xwininfo (standard part of X-clients) |
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# import (part of ImageMagick package) |
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# xdotool (much more useful than xwit for this purpose) |
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# |
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# It will create snapshot of following size |
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W=1024 |
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H=768 |
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D=24 |
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|
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# and then resize it to (comment out to disable) |
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#RESIZE=200x |
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|
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# turn locally visible server to watch progress |
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DEBUG=0 |
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if [ ! -z "$3" ] ; then |
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echo "DEBUG turned on" |
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DEBUG=1 |
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D=8 |
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fi |
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|
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# wait for $WAIT seconds for page to load |
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WAIT=30 |
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|
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# some configurable paths |
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BROWSER=mozilla-firefox |
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XSERVER=Xvfb |
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URL=$1 |
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FILE=${2:-screenshot.jpg} |
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|
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FRAMESET="`mktemp`.html" |
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PROFILE_DIR=`mktemp -d` |
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PORT=8888 |
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|
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LOCAL_DISPLAY=$DISPLAY |
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|
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if [ -z "$URL" ] ; then |
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echo "usage: $0 http://url.to.capture [screenshot.jpg]" |
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exit 1 |
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fi |
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|
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if [ -z "`which xdotool`" ] ; then |
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echo "$0 need xdotool from http://www.semicomplete.com/blog/projects/xdotool/" |
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exit 1 |
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fi |
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|
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if [ -z "`which $XSERVER`" ] ; then |
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echo "$0 really need $XSERVER to operate. please install it." |
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exit 1 |
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fi |
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|
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while netstat -ln | grep ":$PORT " >/dev/null ; do |
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PORT=`expr $PORT + 1` |
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done |
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|
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echo "### using port $PORT" |
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|
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echo -n "testing URL $URL " |
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if HEAD $URL >/dev/null ; then |
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echo "ok" |
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else |
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echo "FAILED" |
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exit 1 |
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fi |
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|
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DISPLAY_PORT=6042 |
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|
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while netstat -ln | grep ":$DISPLAY_PORT " >/dev/null ; do |
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DISPLAY_PORT=`expr $DISPLAY_PORT + 1` |
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done |
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|
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DISPLAY=:`expr $DISPLAY_PORT - 6000` |
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|
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echo "using DISPLAY=$DISPLAY" |
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|
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if [ "$DEBUG" == 1 ] ; then |
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echo "using locally visible debug server on $LOCAL_DISPLAY" |
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DISPLAY=$LOCAL_DISPLAY Xephyr -ac -screen ${W}x${H}x${D} $DISPLAY 2>/dev/null & |
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else |
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echo "starting $XSERVER" |
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$XSERVER -ac -screen 0 ${W}x${H}x${D} $DISPLAY 2>/dev/null & |
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fi |
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|
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if [ -z "$!" ] ; then |
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echo "ABORT: can't start X server!" |
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exit |
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fi |
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XSERVER_PID=$! |
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|
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echo "X server pid $XSERVER_PID" |
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|
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function kill_x_server() { |
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echo "Killing server $XSERVER_PID" |
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kill $XSERVER_PID |
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rm -f $FRAMESET |
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rm -fr $PROFILE_DIR |
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trap '' EXIT |
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exit 1 |
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} |
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trap 'kill_x_server' INT QUIT TERM SEGV EXIT |
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|
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# create frameset to load site and after site is loaded trigger this script |
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cat > $FRAMESET <<END_OF_FRAMESET |
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<html> |
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<head> |
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<frameset rows="0,*" border=0 frameborder=no framespacing=0 onload="window.frames['trigger_frame'].window.location.replace('http://localhost:$PORT');"> |
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<frame src="about:blank" name="trigger_frame" scrolling=no marginwidth=0 marginheight=0> |
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<frame src="$URL" name="page_frame" scrolling=no> |
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</frameset> |
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</head> |
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</html> |
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END_OF_FRAMESET |
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|
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echo "Using frameset html $FRAMESET" |
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|
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echo "preview available with: xwd -display $DISPLAY -root | xwud" |
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|
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echo "making 'Screenshot' profile in $PROFILE_DIR" |
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$BROWSER -CreateProfile "Screenshot $PROFILE_DIR" 2>/dev/null | grep Success |
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|
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echo "launching browser $BROWSER with $URL" |
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$BROWSER -P Screenshot -width $W -height $H -safemode $FRAMESET 2>/dev/null & |
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BROWSER_PID=$! |
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|
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function kill_browser() { |
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echo "Killing browser $BROWSER_PID" |
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kill $BROWSER_PID |
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echo "Killing server $XSERVER_PID" |
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kill $XSERVER_PID |
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rm -f $FRAMESET |
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rm -fr $PROFILE_DIR |
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trap '' EXIT |
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exit 1 |
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} |
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trap 'kill_browser' INT QUIT TERM SEGV EXIT |
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|
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function ping_browser() { |
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echo -n "ping browser" |
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while ! ( $BROWSER -remote "ping();" 2>&1 ) >/dev/null ; do |
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RID=`xdotool search Restore 2>/dev/null` |
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if [ ! -z "$RID" ] ; then |
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echo -n "Esc" |
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xdotool focus $RID |
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xdotool key Escape |
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sleep 1 |
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fi |
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echo -n "." |
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sleep 1 |
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done |
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echo " OK" |
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} |
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|
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ping_browser |
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|
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# get Mozilla Firefox window id (for resize) |
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WINDOW_ID=`xwininfo -display $DISPLAY -root -tree | grep gecko | cut -d\" -f1 | sort -n | head -1` |
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|
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if [ -z "$WINDOW_ID" ] ; then |
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echo "can't find window with name 'Mozilla Firefox'" |
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exit 1 |
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else |
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echo "working on firefox window $WINDOW_ID" |
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fi |
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|
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xdotool search firefox |
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|
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xdotool focus $WINDOW_ID |
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xdotool key F11 |
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|
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ping_browser |
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|
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$BROWSER -remote "openURL($FRAMESET)" 2>/dev/null |
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|
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echo "waiting for on_load event from browser $BROWSER_PID for ${WAIT}s" |
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|
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# there is hard-coded limit here: |
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# we will wait $WAIT sec for page to load and render |
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|
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echo -e "HTTP/1.0 304 Not modified\r\n\r\n" | nc -l -w $WAIT -p $PORT >/dev/null || echo "Timeout after $WAIT sec!" |
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|
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# try to deduce inside area of window |
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|
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DUMP_ID=`xwininfo -display $DISPLAY -id $WINDOW_ID -tree | grep 0x | grep -v ${W}x${H} | grep ${W}x | head -1 | sed 's/^ *//' | cut -d' ' -f1` |
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|
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if [ -z "$DUMP_ID" ] ; then |
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echo "can't find inside area of window. Using whole browser!" |
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DUMP_ID=$WINDOW_ID |
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fi |
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|
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echo "saving window $DUMP_ID to $FILE" |
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if [ ! -z "$RESIZE" ] ; then |
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RESIZE="-geometry $RESIZE" |
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fi |
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|
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import -window $DUMP_ID $RESIZE $FILE |
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|
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if [ "$DEBUG" == 1 ] ; then |
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echo -n "press enter to exit! " |
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read |
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fi |