LINUX下grep、sed、gawk指令详解VIP免费

第 1 页 共 34 页 LINUX下 grep/sed/gawk指令详解 目 录 grep.................................................................................................................................................................3 1. grep正则表达式元字符集（基本集）..........................................................................................................................3 2. 用于 egrep和 grep -E的元字符扩展集.......................................................................................................................4 3. POSIX字符类....................................................................................................................................................................4 4. Grep命令选项...................................................................................................................................................................5 5. 实例....................................................................................................................................................................................5 sed....................................................................................................................................................................6 1. 定址功能............................................................................................................................................................................6 2.sed命令调用格式...............................................................................................................................................................6 3. 选项 -e command, --expression=command...................................................................................................................8 4. 元字符集............................................................................................................................................................................8 5....