[#BloombergLP-ball-LogFileCleanerUtil-logPatternToFilePattern]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/LogFileCleanerUtil.adoc[LogFileCleanerUtil]::logPatternToFilePattern
:relfileprefix: ../../../
:mrdocs:

Convert `logPattern` to a filesystem `filePattern` by replacing `%`‐escapes with `*`.

== Synopsis

Declared in `<ball_logfilecleanerutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
logPatternToFilePattern(
    xref:bsl/string.adoc[bsl::string]* filePattern,
    std::string_view const& logPattern);
----

== Description

Substitute all occurrences of valid `%`‐escape sequences in the specified `logPattern` with `*` and load the specified `filePattern` with the resulting string. This utility function converts the log patterns used by various file observers and supplied to their `enableFileLogging` method (see `ball_fileobserver`, `ball_fileobserver2`, and `ball_asyncfileobserver`) to the file pattern used by various utility functions to find the related file(s) on the filesystem (see `balb_filecleanerutil` and `balb_filecleanerconfiguration`).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *filePattern*
| loaded with the converted filesystem pattern
| *logPattern*
| log filename pattern containing `%`‐escape sequences
|===


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