42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
---
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page_title: basename - Functions - Configuration Language
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description: |-
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The basename function removes all except the last portion from a filesystem
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path.
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---
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# `basename` Function
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`basename` takes a string containing a filesystem path and removes all except
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the last portion from it.
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This function works only with the path string and does not access the
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filesystem itself. It is therefore unable to take into account filesystem
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features such as symlinks.
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If the path is empty then the result is `"."`, representing the current
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working directory.
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The behavior of this function depends on the host platform. On Windows systems,
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it uses backslash `\` as the path segment separator. On Unix systems, the slash
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`/` is used.
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Referring directly to filesystem paths in resource arguments may cause
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spurious diffs if the same configuration is applied from multiple systems or on
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different host operating systems. We recommend using filesystem paths only
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for transient values, such as the argument to [`file`](/language/functions/file) (where
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only the contents are then stored) or in `connection` and `provisioner` blocks.
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## Examples
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```
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> basename("foo/bar/baz.txt")
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baz.txt
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```
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## Related Functions
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* [`dirname`](/language/functions/dirname) returns all of the segments of a filesystem path
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_except_ the last, discarding the portion that would be returned by
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`basename`.
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