https://www.linuxjournal.com/tag/awk en https://www.linuxjournal.com/content/removing-duplicate-path-entries <div data-history-node-id="1340234" class="layout layout--onecol"> <div class="layout__region layout__region--content"> <div class="field field--name-field-node-image field--type-image field--label-hidden field--item"> <img src="https://www.linuxjournal.com/sites/default/files/nodeimage/story/bash-icon_1.png" width="600" height="600" alt="""" typeof="foaf:Image" class="img-responsive" /></div> <div class="field field--name-node-author field--type-ds field--label-hidden field--item">by <a title="View user profile." href="https://www.linuxjournal.com/users/mitch-frazier" lang="" about="https://www.linuxjournal.com/users/mitch-frazier" typeof="schema:Person" property="schema:name" datatype="" xml:lang="">Mitch Frazier</a></div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><br /><p>The goal here is to remove duplicate entries from the PATH variable. But before I begin, let's be clear: there's no compelling reason to to do this. The shell will, in essence, ignore duplicates PATH entries; only the first occurrence of any one path is important. Two motivations drive this exercise. The first is to look at an <tt class="docutils literal">awk</tt> one-liner that initially doesn't really appear to do much at all. The second is to feed the needs of those who are annoyed by such things as having duplicate PATH entries.</p> </div> <div class="field field--name-node-link field--type-ds field--label-hidden field--item"> <a href="https://www.linuxjournal.com/content/removing-duplicate-path-entries" hreflang="en">Go to Full Article</a> </div> </div> </div> Fri, 09 Nov 2018 13:00:00 +0000 Mitch Frazier 1340234 at https://www.linuxjournal.com