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<!doctypehtml><html class="sidebar-visible no-js light"lang=en><head><meta charset=UTF-8><title>What next? - CLI text processing with GNU Coreutils</title><meta content="text/html; charset=utf-8"http-equiv=Content-Type><meta content="Example based guide for specialized text processing with GNU Coreutils"name=description><meta content=width=device-width,initial-scale=1 name=viewport><meta content=#ffffff name=theme-color><meta content="CLI text processing with GNU Coreutils"property=og:title><meta content=website property=og:type><meta content="Example based guide for specialized text processing with GNU Coreutils"property=og:description><meta content=https://learnbyexample.github.io/cli_text_processing_coreutils/ property=og:url><meta content=https://raw.githubusercontent.com/learnbyexample/cli_text_processing_coreutils/main/images/cli_coreutils_ls.png property=og:image><meta content=1280 property=og:image:width><meta content=720 property=og:image:height><meta content=summary_large_image property=twitter:card><meta content=@learn_byexample property=twitter:site><link href=favicon.svg rel=icon><link rel="shortcut icon"href=favicon.png><link href=css/variables.css rel=stylesheet><link href=css/general.css rel=stylesheet><link href=css/chrome.css rel=stylesheet><link href=FontAwesome/css/font-awesome.css rel=stylesheet><link href=fonts/fonts.css rel=stylesheet><link href=highlight.css rel=stylesheet><link href=tomorrow-night.css rel=stylesheet><link href=ayu-highlight.css rel=stylesheet><link href=style.css rel=stylesheet><body><script>var path_to_root = "";
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html.classList.add("sidebar-" + sidebar);</script><nav aria-label="Table of contents"class=sidebar id=sidebar><div class=sidebar-scrollbox><ol class=chapter><li class="chapter-item expanded affix"><a href=cover.html>Cover</a><li class="chapter-item expanded affix"><a href=buy.html>Buy PDF/EPUB versions</a><li class="chapter-item expanded affix"><a href=preface.html>Preface</a><li class="chapter-item expanded"><a href=introduction.html><strong aria-hidden=true>1.</strong> Introduction</a><li class="chapter-item expanded"><a href=cat-tac.html><strong aria-hidden=true>2.</strong> cat and tac</a><li class="chapter-item expanded"><a href=head-tail.html><strong aria-hidden=true>3.</strong> head and tail</a><li class="chapter-item expanded"><a href=tr.html><strong aria-hidden=true>4.</strong> tr</a><li class="chapter-item expanded"><a href=cut.html><strong aria-hidden=true>5.</strong> cut</a><li class="chapter-item expanded"><a href=seq.html><strong aria-hidden=true>6.</strong> seq</a><li class="chapter-item expanded"><a href=shuf.html><strong aria-hidden=true>7.</strong> shuf</a><li class="chapter-item expanded"><a href=paste.html><strong aria-hidden=true>8.</strong> paste</a><li class="chapter-item expanded"><a href=pr.html><strong aria-hidden=true>9.</strong> pr</a><li class="chapter-item expanded"><a href=fold-fmt.html><strong aria-hidden=true>10.</strong> fold and fmt</a><li class="chapter-item expanded"><a href=sort.html><strong aria-hidden=true>11.</strong> sort</a><li class="chapter-item expanded"><a href=uniq.html><strong aria-hidden=true>12.</strong> uniq</a><li class="chapter-item expanded"><a href=comm.html><strong aria-hidden=true>13.</strong> comm</a><li class="chapter-item expanded"><a href=join.html><strong aria-hidden=true>14.</strong> join</a><li class="chapter-item expanded"><a href=nl.html><strong aria-hidden=true>15.</strong> nl</a><li class="chapter-item expanded"><a href=wc.html><strong aria-hidden=true>16.</strong> wc</a><li class="chapter-item expanded"><a href=split.html><strong aria-hidden=true>17.</strong> split</a><li class="chapter-item expanded"><a href=csplit.html><strong aria-hidden=true>18.</strong> csplit</a><li class="chapter-item expanded"><a href=expand-unexpand.html><strong aria-hidden=true>19.</strong> expand and unexpand</a><li class="chapter-item expanded"><a href=basename-dirname.html><strong aria-hidden=true>20.</strong> basename and dirname</a><li class="chapter-item expanded affix"><a class=active href=what_next.html>What next?</a><li class="chapter-item expanded affix"><a href=Exercise_solutions.html>Exercise solutions</a></li><br><hr><li class="chapter-item expanded"><i class="fa fa-github"id=git-repository-button></i><a href=https://github.com/learnbyexample/cli_text_processing_coreutils> Source code</a><li class="chapter-item expanded"><i class="fa fa-home"id=home-button></i><a href=https://learnbyexample.github.io/> My Blog</a><li class="chapter-item expanded"><i class="fa fa-book"id=book-button></i><a href=https://learnbyexample.github.io/books/> My Books</a><li class="chapter-item expanded"><i class="fa fa-envelope"id=mail-button></i><a href=https://learnbyexample.gumroad.com/l/learnbyexample-weekly> learnbyexample weekly</a><li class="chapter-item expanded"><i class="fa fa-twitter"id=twitter-button></i><a href=https://twitter.com/learn_byexample> Twitter</a></ol></div><div class=sidebar-resize-handle id=sidebar-resize-handle></div></nav><div class=page-wrapper id=page-wrapper><div class=page><div id=menu-bar-hover-placeholder></div><div class="menu-bar sticky bordered"id=menu-bar><div class=left-buttons><button aria-label="Toggle Table of Contents"title="Toggle Table of Contents"aria-controls=sidebar class=icon-button id=sidebar-toggle type=button><i class="fa fa-bars"></i></button><button aria-label="Change theme"title="Change theme"aria-controls=theme-list aria-expanded=false aria-haspopup=true class=icon-button id=theme-toggle type=button><i class="fa fa-paint-brush"></i></button><ul aria-label=Themes class=theme-popup id=theme-list role=menu><li role=none><button class=theme id=light role=menuitem>Light (default)</button><li role=none><button class=theme id=rust role=menuitem>Rust</button><li role=none><button class=theme id=coal role=menuitem>Coal</button><li role=none><button class=theme id=navy role=menuitem>Navy</button><li role=none><button class=theme id=ayu role=menuitem>Ayu</button></ul><button aria-label="Toggle Searchbar"title="Search. (Shortkey: s)"aria-controls=searchbar aria-expanded=false aria-keyshortcuts=S class=icon-button id=search-toggle type=button><i class="fa fa-search"></i></button></div><h1 class=menu-title>CLI text processing with GNU Coreutils</h1><div class=right-buttons><a aria-label=Blog href=https://learnbyexample.github.io title=Blog> <i class="fa fa-home"id=home-button></i> </a><a aria-label=Twitter href=https://twitter.com/learn_byexample title=Twitter> <i class="fa fa-twitter"id=twitter-button></i> </a><a aria-label="Git repository"title="Git repository"href=https://github.com/learnbyexample/cli_text_processing_coreutils> <i class="fa fa-github"id=git-repository-button></i> </a></div></div><div class=hidden id=search-wrapper><form class=searchbar-outer id=searchbar-outer><input placeholder="Search this book ..."aria-controls=searchresults-outer aria-describedby=searchresults-header id=searchbar name=searchbar type=search></form><div class="searchresults-outer hidden"id=searchresults-outer><div class=searchresults-header id=searchresults-header></div><ul id=searchresults></ul></div></div><script>document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
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});</script><div class=content id=content><main><div class=sidetoc><nav class=pagetoc></nav></div><h1 id=what-next><a class=header href=#what-next>What next?</a></h1><p>Hope you've found this book interesting and useful.<p>There are plenty of general purpose and specialized text processing tools. Here's a list of books I've written:<ul><li><a href=https://github.com/learnbyexample/learn_gnugrep_ripgrep>CLI text processing with GNU grep and ripgrep</a><li><a href=https://github.com/learnbyexample/learn_gnused>CLI text processing with GNU sed</a><li><a href=https://github.com/learnbyexample/learn_gnuawk>CLI text processing with GNU awk</a><li><a href=https://github.com/learnbyexample/learn_perl_oneliners>Ruby One-Liners Guide</a><li><a href=https://github.com/learnbyexample/learn_ruby_oneliners>Perl One-Liners Guide</a><li><a href=https://github.com/learnbyexample/cli_text_processing_rust>Command line text processing with Rust tools</a></ul><p>See also my <a href=https://learnbyexample.github.io/curated_resources/linux_cli_scripting.html>curated list of resources on Linux CLI and Shell scripting</a>.</main><nav aria-label="Page navigation"class=nav-wrapper><a aria-label="Previous chapter"class="mobile-nav-chapters previous"title="Previous chapter"aria-keyshortcuts=Left href=basename-dirname.html rel=prev> <i class="fa fa-angle-left"></i> </a><a aria-label="Next chapter"class="mobile-nav-chapters next"title="Next chapter"aria-keyshortcuts=Right href=Exercise_solutions.html rel=next> <i class="fa fa-angle-right"></i> </a><div style="clear: both"></div></nav></div></div><nav aria-label="Page navigation"class=nav-wide-wrapper><a aria-label="Previous chapter"class="nav-chapters previous"title="Previous chapter"aria-keyshortcuts=Left href=basename-dirname.html rel=prev> <i class="fa fa-angle-left"></i> </a><a aria-label="Next chapter"class="nav-chapters next"title="Next chapter"aria-keyshortcuts=Right href=Exercise_solutions.html rel=next> <i class="fa fa-angle-right"></i> </a></nav></div><script>window.playground_copyable = true;</script><script charset=utf-8 src=elasticlunr.min.js></script><script charset=utf-8 src=mark.min.js></script><script charset=utf-8 src=searcher.js></script><script charset=utf-8 src=clipboard.min.js></script><script charset=utf-8 src=highlight.js></script><script charset=utf-8 src=book.js></script><script src=sidebar.js></script>