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 grep command can help you find Linux files containing the string ...

Searching your file system can be tricky. For example, do you sometimes find it difficult to be specific or exact? Or perhaps it's too noisy? Regex can solve these issues and more. It's powerful, ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

It’s fast, it’s powerful, and its very name suggests that it does something technical: grep. With this workhorse of the command line, you can quickly find text hidden in your files. Understanding grep ...

The simplest grep command looks like the one shown below. This “find string in file” command will show all the lines in the file that contain the string, even when that string is only part of a longer ...

If we look at that example of re-writing the backend engine in Python, well, this should have gone through a development cycle where the old code that worked well was left in place, running things ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...

Apropos of nothing in particular, I remember back in the 80's Byte magazine having an article about using monode (single pole) semi-conductors to implement WOM (Write Only Memory). The 8bit I/O chips ...