[#BloombergLP-bdls-PipeUtil-isOpenForReading]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/PipeUtil.adoc[PipeUtil]::isOpenForReading
:relfileprefix: ../../../
:mrdocs:

Return `true` if the pipe with the specified UTF‐8 `pipeName` exists, the calling process has permission to write to it, and some process is able to read the bytes written to it, and `false` otherwise. On Windows, this function may block and may write an "empty message", consisting of a single newline. The behavior is undefined unless `pipeName` is a valid UTF‐8 string. Note that even though a process might have the pipe open for reading, this function might still return `false` because there are not sufficient resources available.

== Synopsis

Declared in `<bdls_pipeutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isOpenForReading(std::string_view const& pipeName);
----


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