Have a quick question that I think the powers of Ars can solve. I have an existing linux log parsing script that is working fine but I want to add new functionality to it. Given the following 2 log ...

你是否遇到过需要在文件中查找一个特定的字符串或者样式，但是不知道从哪儿开始？那么,就请grep来帮你吧。 grep是每个Linux发行版都预装的一个强有力的文件模式搜索工具。无论何种原因，如果你的系统没有预装它的话，你可以很容易的通过系统的包管理器来 ...

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Created in the early days of Unix, it has become a cornerstone of text processing in Linux ...

I once asked a software developer at work how many times we called fork() in our code. I’ll admit, it was a very large project, but I expected the answer to be — at most — two digits. The developer ...