[#BloombergLP-bdls-PathUtil-getExtension-0d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/PathUtil.adoc[PathUtil]::getExtension
:relfileprefix: ../../../
:mrdocs:

Load the extension of a path.

== Synopsis

Declared in `<bdls_pathutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
getExtension(
    std::pmr::string* extension,
    std::string_view const& path,
    int rootEnd = ‐1);
----

== Description

Same as the overload taking `bsl::string *`.

== Return Value

0 if `path` has an extension, and a non‐zero value otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *extension*
| receives the extension of `path`
| *path*
| filesystem path to examine
| *rootEnd*
| if non‐negative, position in `path` of the character following the root
|===


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