怎样转换以下文档??

lordbyorn

$echo abcde | sed -e 'y/[a-z]/[A-Z]/'
means change [a-z] to [A-Z]
in 'abcde' case only change a to A(causo no [ - z ] in the input)
so no use.
you msiunderstand y command

lucida

sorry,这里是我弄错了
sed -y好像非得用y/ABCDEFGHI/abcdefghi/这样的写法才可以
不支持[A-Z]..