我想删除包含少于n个项目的所有行,空格分隔.
假设我想删除包含少于3个项目的行.所以下面的文件:
sdf sdfsdf sdfgsdf sdfsdfsd
sdf sdfsdf
sdf sdfsdf sdfgsdf
sdf sdfsdf sdfgsdf ertert
应该导致:
sdf sdfsdf sdfgsdf sdfsdfsd
sdf sdfsdf sdfgsdf
sdf sdfsdf sdfgsdf ertert
实际上,这两个awk和sed解决方案是可以接受的.