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How To Search Multiple Words / String Pattern Using grep Command on Bash Shell

How do I search multiple strings or words using the grep command? For example I’d like to search word1, word2, word3 and so on within /path/to/file. How do I force grep to search multiple words? How can I grep for multiple patterns on Linux, OS X, FreeBSD, or Unix-like system? What is the command to […]

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Grep Command with Examples

Grep can be piped with other commands. For example, you can pipe cat and grep together to search strings from files and display them on the screen.
Today, you will learn to use the grep command with advanced examples.
The post Grep Command with Example…

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Most Common Use Cases of the Grep Command in Linux

Here are some practical and common use cases of the grep command. You can also download the cheat sheet for quick reference.
The post Most Common Use Cases of the Grep Command in Linux appeared first on Linux Today.

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How to Find All Files Containing Specific Text on Linux

This article explains how to find all files containing specific text on Linux. For this demo, we’ll use grep, a standard Unix program.
The post How to Find All Files Containing Specific Text on Linux appeared first on Linux Today.

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What’s the Difference Between Grep, Egrep, and Fgrep in Linux?

The grep utility is a renowned search tool on Unix-like systems that can be used to search for files or lines. It offers vast functionality and supports a number of options like searching using string pattern, reg-ex pattern, or Perl based reg-ex. Read…

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Silver Searcher – A Code Searching Tool Similar to Ack

The Silver Searcher is a reputable command line code-searching tool that is attributed to be cross-platform, open-source, and free. It shares most of its functional attributes with grep’s plain-text search features. The primary difference between these…

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How to Delete Empty Lines in Files Using grep, sed, and awk

An experienced Linux user knows exactly what kind of a nuisance blank lines can be in a processable file. These empty/blank lines not only get in the way of correctly processing such files but also make it difficult for a running program to read and wr…

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How to Use the Grep Command in Linux

The grep command (global regular expression print) in Linux is used to search for text patterns in files or streams. In this tutorial, we’ll go through how to use the grep command along with its various parameters, using practical examples and beginner…

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