Grep is a small UNIX program for finding matching patterns. First released in V6 UNIX, you can now find it on almost any UNIX-like system such as Linux, macOS, and even BSDs. In this article, I will ...

The grep command line tool is wildly useful for searching through text data for lines and snippets that match a defined string, character, word, or regular expression. While most uses of grep are for ...

As you see in the above output, we got two words that contains the matching pattern "nix". If the search string has two words, mention them inside single quotes like below. This can be useful when you ...

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 ...

Whenever you use a simple grep command to find a single word or phrase in a file, you run the risk of getting a lot of extra “stuff” you didn’t want to see. Grep for “not” and you get “nothing”, ...

These days, you can’t throw a USB stick without hitting something that’s running Linux. It might be a phone, an embedded device, or your TV. Either way, it’s running Linux, and somewhere along the ...

With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...

As we know that ruby contains a lot of built in modules, in which one of this is the Enumerable module. So before preceddingon what GREP is and How it works, first lets study a little info about ...

ripgrep is a line-oriented search tool that recursively searches the current directory for a regex pattern. By default, ripgrep will respect gitignore rules and automatically skip hidden ...