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---
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title: path.Ext
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description: Ext returns the file name extension of a path.
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date: 2018-11-28
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publishdate: 2018-11-28
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lastmod: 2018-11-28
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categories: [functions]
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menu:
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docs:
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parent: "functions"
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keywords: [path, ext, extension]
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signature: ["path.Ext PATH"]
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workson: []
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hugoversion: "0.40"
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relatedfuncs: [path.Base, path.BaseName, path.Clean, path.Dir, path.Join, path.Split]
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deprecated: false
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---
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`path.Ext` returns the file name extension `PATH`.
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The extension is the suffix beginning at the final dot in the final slash-separated element `PATH`;
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it is empty if there is no dot.
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**Note:** On Windows, `PATH` is converted to slash (`/`) separators.
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```
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{{ path.Ext "a/b/c/news.html" }} → ".html"
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```
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