learnbyexample · Aug 7, 2021 · Aug 9, 2021 · Aug 10, 2021 · Aug 12, 2021 · Aug 13, 2021
diff --git a/.nojekyll b/.nojekyll
diff --git a/404.html b/404.html
@@ -0,0 +1,31 @@
+<!doctypehtml><html class="sidebar-visible no-js light"lang=en><head><meta charset=UTF-8><title>Page not found - CLI text processing with GNU Coreutils</title><base href=/cli_text_processing_coreutils/><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 = "";
+            var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";</script><script>try {
+                var theme = localStorage.getItem('mdbook-theme');
+                var sidebar = localStorage.getItem('mdbook-sidebar');
+
+                if (theme.startsWith('"') && theme.endsWith('"')) {
+                    localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
+                }
+
+                if (sidebar.startsWith('"') && sidebar.endsWith('"')) {
+                    localStorage.setItem('mdbook-sidebar', sidebar.slice(1, sidebar.length - 1));
+                }
+            } catch (e) { }</script><script>var theme;
+            try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
+            if (theme === null || theme === undefined) { theme = default_theme; }
+            var html = document.querySelector('html');
+            html.classList.remove('no-js')
+            html.classList.remove('light')
+            html.classList.add(theme);
+            html.classList.add('js');</script><script>var html = document.querySelector('html');
+            var sidebar = 'hidden';
+            if (document.body.clientWidth >= 1080) {
+                try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
+                sidebar = sidebar || 'visible';
+            }
+            html.classList.remove('sidebar-visible');
+            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 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');
+                    document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
+                    Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
+                        link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
+                    });</script><div class=content id=content><main><div class=sidetoc><nav class=pagetoc></nav></div><h1 id=document-not-found-404><a class=header href=#document-not-found-404>Document not found (404)</a></h1><p>This URL is invalid, sorry. Please use the navigation bar or search to continue.</main><nav aria-label="Page navigation"class=nav-wrapper><div style="clear: both"></div></nav></div></div><nav aria-label="Page navigation"class=nav-wide-wrapper></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>