Kashub's Code Barn - "automating screen capture of web pages"

podświetlone jako bash (dodał(a) jart @ 2009-10-07 05:50:16)

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#################################
## xffhandler.sh
#!/bin/bash
SLEEP_INT=10
 
case "$1" in
start)
  DISPLAY=:2.0
  export DISPLAY
 
  if [[ "$(top -bn1 | grep Xvfb)" == "" ]];
  then
  echo "Starting Xvfb (and waiting $SLEEP_INT secs)..."
  #Xvfb :2 -screen 0 1024x1400x24 >/dev/null 2>&1 &
  Xvfb :2 -screen 0 1024x2000x24 >/dev/null 2>&1 &
  while [[ "$(top -bn1 | grep Xvfb)" == "" ]];
  do
  sleep $SLEEP_INT;
  done
  else
  echo "Xvfb ALREADY LOADED"
  fi
 
  if [[ "$(top -bn1 | grep firefox-bin)" == "" ]];
  then
  echo "Starting firefox (and waiting $SLEEP_INT secs)..."
  firefox >/dev/null 2>&1 &
  sleep $SLEEP_INT;
  while [[ "$(top -bn1 | grep firefox-bin)" == "" ]];
  do
  sleep $SLEEP_INT;
  done
  else
  echo "firefox ALREADY LOADED"
  fi
;;
 
stop)
  echo "Stopping firefox/Xvfb..."
  if [[ "$(top -bn1 | grep firefox-bin)" != "" ]];
  then
  killall firefox-bin
  echo "  firefox has been killed"
  else
  echo "  firefox NOT LOADED"
  fi
 
  if [[ "$(top -bn1 | grep Xvfb)" != "" ]];
  then
  killall Xvfb
  echo "  Xvfb has been killed"
  else
  echo "  Xvfb NOT LOADED"
  fi
;;
 
status)
  if [[ "$(top -bn1 | grep Xvfb)" != "" ]];
  then
  echo "Xvfb is running"
  else
  echo "Xvfb NOT running"
  fi
 
  if [[ "$(top -bn1 | grep firefox-bin)" != "" ]];
  then
  echo "Firefox is running"
  else
  echo "Firefox is NOT running"
  fi
;;
esac
exit 0
#################################
 
#################################
## ffcapture.sh
#!/bin/bash
URL=$1
FILE=$2
CPU_LIMIT=15
SLEEP_INT=15
DISPLAY=:2.0
 
echo "performing a screen capture on:"
echo "  $URL"
echo "  and saving result to: $FILE"
 
/path/to/XFFhandler.sh start
export DISPLAY
firefox -remote "openurl($URL,new-window)"
sleep $SLEEP_INT
 
echo "  waiting for page to load (pid's cpu usage < $CPU_LIMIT)"
while [[ "$(top -bn1 | grep firefox-bin | awk '{print $9}')" > "$CPU_LIMIT" ]];
do
  echo "  sleeping for $SLEEP_INT secs...";
  sleep $SLEEP_INT;
done
xwd -root -silent | convert - $FILE  ## wait until page is loaded
 
echo "success! ...i think :)";
/path/to/XFFhandler.sh stop
exit 0
#################################
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