[#BloombergLP-bdls-PathUtil-getExtension-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/PathUtil.adoc[PathUtil]::getExtension
:relfileprefix: ../../../
:mrdocs:

Load the extension of a path&period;

== Synopsis

Declared in `&lt;bdls&lowbar;pathutil&period;h&gt;`

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

== Description

Same as the overload taking `bsl&colon;&colon;string &ast;`&period;

== Return Value

0 if `path` has an extension, and a non&hyphen;zero value otherwise

== Parameters

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


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