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Learn How to Use Linux ‘sed’ Commands

The sed command is a powerful and useful tool in Unix/Linux for editing the content (files) line by line, including inserts, appends, changes, and deletes. Furthermore, it supports regular expressions, so it can match complex patterns. Commonly it is used to find and replace the strings in files like configuration files, bash scripts, SQL files, […]

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These are 12 handy sed commands for Linux

sed is a powerful and useful tool in Unix/Linux for editing the content (files) line by line, including inserts, appends, changes, and deletes. Furthermore, it supports regular expressions, so it can match complex patterns. Commonly it is used to find and replace the strings in files like configuration files, bash scripts, SQL files, etc. The […]

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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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