الگو:File extension

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This template uses Lua:

Module:String

Outputs the file extension of the filename indicated by parameter {{{1}}}. In the File: namespace, this parameter defaults to {{PAGENAME}}. In all other namespaces, the default output is an empty string. Any uppercase letters in the file extension are changed to lowercase.

Usage

Input	Output	Notes
`{{file extension}}`		(empty string output because current page is in the Template: namespace)
`{{file extension\|Makefile}}`		(empty string output because specified filename has no extension)
`{{file extension\|I-35.svg}}`	svg	Input filename is acceptable with or without File: namespace prefix.
`{{file extension\|File:George H. Sharpe.jpg}}`	jpg
`{{file extension\|UNMSM logo1.PNG}}`	png	Uppercase is changed to lowercase
`{{file extension\|Wikimedia Logo.jpeg}}`	jpeg	jpeg is not changed to jpg

The above documentation is transcluded from الگو:File extension/doc.
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