6.计算匹配项的数目 这个功能类似于将grep输出的结果用管道传送给计数器（wc程序），grep内建的选项可以达到同样的目的： $ sudo ifconfig | grep -c inet6 7.按给定字符串搜索文件中匹配的行号 当你在编译出错时需要调试时，grep命令的-n选项是个非常有用的功能。

类似于管道 grep 字符串到字数（wc program) grep 的内置选项可以为您执行相同的操作： # ifconfig | grep –c inet6 7. 按给定字符串搜索文件 这 –n 选项 grep 在编译错误期间调试文件时非常有用。 它显示给定搜索字符串的文件中的行号： # grep –n "main" setup..py 8.

The grep command can search for and list Linux files based on strings you are looking for and add the context of surrounding text.

The everlastingly useful grep command can change its character with the flip of a switch to help you find things.

Grep By Example is also available as a PDF Minibook, and a Grep playground helps you learn quickly. To understand Linux, one must understand its commercial predecessor, Unix.

After jumping into the Ubuntu command line yesterday, today I decided to dive a little deeper and explore the 'man' and 'grep' commands more closely.

Grep and diff are command line-based text analysis tools available in all Linux and Unix distributions. Both are designed to parse documents on a line-by-line basis.

Grep and diff are command line-based text analysis tools available in all Linux and Unix distributions. Both are designed to parse documents on a line-by-line basis.