Log4Net Rolling Daily Filename with Date in the File Name

Log4net rolling daily filename with date in the file name

In your Log4net config file, use the following parameter with the RollingFileAppender:

<param name="DatePattern" value="dd.MM.yyyy'.log'" />

Log4net rolling daily - Format of filename with date

You can add the filename in the datePattern like:

<appender name="SLSILogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="c:\temp\logs\" />
<datePattern value="dd.MM.yyyy'.filename.log'" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<staticLogFileName value="false" />
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
</appender>

Log4net: append TimeStamp in the name of a created file

<appender name="rollingFile" type="log4net.Appender.RollingFileAppender,log4net">
  <param name="File" value="c:\\ProjectX\\Log\\logger_.txt"/>
  <param name="AppendToFile" value="true"/>
  <lockingModel type="log4net.Appender.FileAppender+MinimalLock"/>
  <param name="RollingStyle" value="Date"/>
  <param name="DatePattern" value="yyyy.MM.dd"/>
  <param name="StaticLogFileName" value="true"/>
  <layout type="log4net.Layout.PatternLayout,log4net">
    <param name="ConversionPattern" value="%date [%thread] %-5level %logger - %message%newline"/>
  </layout>
</appender>

As per Nuno G on Append current Date to Log file with Log4Net

Append current Date to Log file with Log4Net

Add the following to your config file

<appender name="rollingFile" type="log4net.Appender.RollingFileAppender,log4net">
  <param name="File" value="c:\\ProjectX\\Log\\log.txt"/>
  <param name="AppendToFile" value="true"/>
  <lockingModel type="log4net.Appender.FileAppender+MinimalLock"/>
  <param name="RollingStyle" value="Date"/>
  <param name="DatePattern" value="yyyy.MM.dd"/>
  <param name="StaticLogFileName" value="true"/>
  <layout type="log4net.Layout.PatternLayout,log4net">
    <param name="ConversionPattern" value="%date [%thread] %-5level %logger - %message%newline"/>
  </layout>
</appender>

Log4net rolling filenames

Add the preserveLogFileNameExtension option to your config:

<preserveLogFileNameExtension value="true" />

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