https://marktaguiad.dev/tags/sed/ Recent content in Sed on marktaguiad.dev Hugo en-us marktaguiad@marktaguiad.dev (Mark Taguiad) marktaguiad@marktaguiad.dev (Mark Taguiad) marktaguiad.dev Tue, 17 Feb 2026 00:00:00 +0000 https://marktaguiad.dev/post/sed-notes/ Tue, 17 Feb 2026 00:00:00 +0000marktaguiad@marktaguiad.dev (Mark Taguiad) https://marktaguiad.dev/post/sed-notes/ <img src="https://marktaguiad.dev/images/linux/ranger-vim-sed-awk-find/Lord-Zedd-Cosmic-Fury.png" alt="imagen" style="display: block; margin: 0 auto;" loading="lazy" > <h1 id="table-of-contents">Table of Contents</h1> <nav id="TableOfContents"> <ol> <li><a href="#what-is-sed">What is SED?</a></li> <li><a href="#edit-and-save">Edit and Save</a> <ol> <li><a href="#save-to-a-new-file">Save to a new file</a></li> <li><a href="#overwrite-the-original---in-place-editing">Overwrite the original - in-place editing</a></li> </ol> </li> <li><a href="#print">Print</a> <ol> <li><a href="#print-file">Print file</a></li> <li><a href="#print-specific-line">Print specific line</a></li> <li><a href="#print-line-range">Print line range</a></li> <li><a href="#print-matching-lines">Print matching lines</a></li> </ol> </li> <li><a href="#find-and-replace">Find and Replace</a> <ol> <li><a href="#replace-first-match">Replace first match</a></li> <li><a href="#replace-all-matches">Replace all matches</a></li> <li><a href="#case-sensitive-replace">Case sensitive replace</a></li> <li><a href="#replace-only-on-specific-line">Replace only on specific line</a></li> </ol> </li> <li><a href="#delete">Delete</a> <ol> <li><a href="#delete-a-word">Delete a word</a></li> <li><a href="#delete-a-line">Delete a line</a></li> <li><a href="#delete-range">Delete Range</a></li> <li><a href="#delete-matching-line">Delete matching line</a></li> </ol> </li> <li><a href="#insert-and-appending">Insert and Appending</a> <ol> <li><a href="#insert-before-a-line">Insert before a line</a></li> <li><a href="#append-after-a-lin">Append after a lin</a></li> <li><a href="#insert-before-match">Insert before match</a></li> </ol> </li> <li><a href="#regex">Regex</a> <ol> <li><a href="#word-boundary-match">Word boundary match</a></li> <li><a href="#replace-number">Replace Number</a></li> <li><a href="#capture-groups">Capture groups</a></li> </ol> </li> <li><a href="#multiple-commands">Multiple Commands</a> <ol> <li><a href="#using-semicolon">Using semicolon</a></li> </ol> </li> <li><a href="#conditional-execution">Conditional Execution</a> <ol> <li><a href="#run-command-only-on-matching-line">Run command only on matching line</a></li> </ol> </li> <li><a href="#real-world-example">Real world example</a> <ol> <li><a href="#removing-blank-lines">Removing blank lines</a></li> <li><a href="#remove-trailing-spaces">Remove trailing spaces</a></li> <li><a href="#number-lines">Number lines</a></li> <li><a href="#extract-between-two-patterns">Extract between two patterns</a></li> </ol> </li> <li><a href="#scripts">Scripts</a></li> </ol> </nav> <h3 id="what-is-sed">What is SED?</h3> <p>Sed short for stream editor. It reads input line by line, applies commands and output the results.</p>