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The #ifexist function selects one of two alternatives depending on whether a page exists at the specified title. {{#ifexist: page title | value if page exists | value if page doesn't exist}} The page can be in any namespace, so it can be an article or "content page", an image or other media file, a category, etc.
If indenting the markup, care must be taken to avoid extra newlines when indenting "}}" on the next line. An extra bar pipe "|" can be added after the else-clause to complete that text, and allow "}}" to then be placed anywhere without adding a newline into the else-clause. For example:
The {{ifexist only Commons}} template can be used to identify a media file which exists on Wikimedia Commons but not on English Wikipedia; whereas {{#ifexist:File:...}} and {{#ifexist:Media:...}} check, respectively, whether the file exists on English Wikipedia (the first) and on Commons or English Wikipedia (the second). Use the format
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
A Maryland jury finds 'Real Housewives of Potomac' star Karen Huger guilty of driving under the influence and several other charges after she was arrested earlier this year.
All the problems found in the 3rd batch, the 4th batch, and the parentheses check, were completed by the 13th January 2005. The fifth batch started on 13th March 2005. This batch covered from 'A' to 'H' in the alphabet, and listed around 7000 problems (which included around 3000 redirect problems), added checking of comment tags, and was ...
President-elect Trump announced two new foreign ambassadors on Tuesday in a Truth Social post. “It is my great honor to announce that John Arrigo will serve as the next United States Ambassador ...
Costco is battling an anti-DEI wave with a stern rebuke to activist shareholders looking to end the warehouse retailer’s diversity ambitions. Walmart, John Deere, Tractor Supply and other ...