摘要: 一、cut(截取) 1、按字节截取(-b) 例:/etc/passwd文件截取 head -5 passwd | cut -b 1-4 >截取1-4的字节 head -5 passwd | cut -b 4 >截取第四个字节 head -5 passwd | cut -b -4 >截取1-4的字节 阅读全文
posted @ 2019-06-18 16:05 jiahuifeng 阅读(200) 评论(0) 推荐(0) 编辑