找出所有的import
find . -name *.java | xargs grep "^import" | \
grep -v "java\." | \
grep -v "org\.omg\." | \
grep -v "javax\." | \
awk -F : '{printf "%s - %s\n", substr($2,0,index($2,";")-1),substr($1,3,length($1)-2);}' | \
awk '{print $2,$3,$4}' | \
so..