在linux上写程序、做网管的人，或多或少都会几种脚本。脚本语言灵活的变量类型、强大的正则表达式处理能力，再加上linux系统本身的管道、重定向以及丰富的命令行工具，让你编程起来游刃有余-the write procedure, so the network management, will be more or less several scr ipts. Flexible scr ipting language variable types, is a powerful regular expression handling capacity, coupled with the Linux system itself pipeline, redirect and rich command-line tool that allows you to cope up programming