$ find . -type f -size +50M -exec ls -lh {} \; | awk ‘{ print $9 “: “ $5 }’|
sort -t’ ‘ -nk2,2
./eclipse-java-indigo-linux-gtk-x86_64.tar.gz: 122M
./eclipse-cpp-juno-SR1-linux-gtk-x86_64.tar.gz: 137M

./eclipse-rcp-juno-SR1-linux-gtk-x86_64.tar.gz: 227M

-nk2,2的意思时用122M这一列作为key排序