{"id":2866,"date":"2018-05-11T15:11:54","date_gmt":"2018-05-11T15:11:54","guid":{"rendered":"http:\/\/blog.designed79.co.uk\/?p=2866"},"modified":"2018-05-11T15:11:54","modified_gmt":"2018-05-11T15:11:54","slug":"remove-the-last-character-from-a-bash-variable","status":"publish","type":"post","link":"https:\/\/blog.designed79.co.uk\/?p=2866","title":{"rendered":"Remove the last character from a bash variable"},"content":{"rendered":"<p>The following method, removes the last character from a bash variable by using a regular expression that matches any character.<\/p>\n<p>VAR=${VAR%?}<\/p>\n<p>The functionality ${string%substring} deletes shortest match of $substring from the back of $string.<br \/>\nThe question mark ? matches zero or one of the previous regular expression. It is generally used for matching single characters.<\/p>\n<p>So by using ? as our $substring we instruct bash to match any character at the end of the variable and remove it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The following method, removes the last character from a bash variable by using a regular expression that matches any character. VAR=${VAR%?} The [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2866","post","type-post","status-publish","format-standard","hentry","category-info-on-tech"],"_links":{"self":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/2866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2866"}],"version-history":[{"count":0,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/2866\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.designed79.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}