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---
layout: default
class: Macro
title: extension ';' PATH
summary: The file extension of the given path or empty string if no extension
---
Returns the file extension of the specified path. The last segment of the path is examined for a `.` separating the extension from the rest of the file name. The extension is returned or, if the file name has no extension, an empty string is returned.
## Examples
# returns 'def'
${extension;abcdef.def}
${extension;/foo.bar/abcdefxyz.def}
# Returns empty string
${extension;abcdefxyz}
${extension;/foo.bar/abcdefxyz}
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