slideshare文档下载

if [ x"$1" = x1 ]; then

for  i in  {1..46}; do
  url_i="https://image.slidesharecdn.com/buildingpowerfulpredictivescorecards1991wp-140522174542-phpapp01/95/building-powerful-predictive-scorecards-${i}-1024.jpg?cb=1416306575"
  curl -o $i.jpg $url_i

done

else

  all=$(ls *.jpg|sort -n)
  pdfjoin $all --outfile all.pdf

fi

第一部分根据 slideshare的链接找到对应图片。
第二部分合并.jpg