## connectを使ってProxy超え
ssh -o "ProxyCommand connect -H proxy-east.uec.ac.jp:8080 %h %p" osaka.mma.club.uec.ac.jp
## ncを使ってProxy超え
ssh -o "ProxyCommand nc -xproxy-east.uec.ac.jp:8080 -Xconnect %h %p" osaka.mma.club.uec.ac.jp

   1 i=0; for file in $(ls *.png);  do i=$((i+1)); echo convert:$i; convert -crop 1080x1500+0+300 ${file} ${i}.jpg; done