referer="http://www.aip.org/stixfonts/font_download.jsp" timestamp=$( wget --keep-session-cookies --save-cookies download.cookies -O - "http://www.aip.org/stixfonts/font_download_parse.jsp" 2> /dev/null | grep timestamp | grep -o '[0-9]\{13\}' ) postdata="timestamp=$timestamp&agree=on&submit1=++++++I+agree++++++" filename="STIXv1.0.0.zip" wget --load-cookies download.cookies --referer="$referer" --post-data="$postdata" -O "$filename" "http://www.aip.org/stixfonts/font_download_parse.jsp"