Inside the Microsoft® Build Engine: Using MSBuild and Team Foundation Build

File Logger

The other logger that is shipped with MSBuild is the file logger, which logs messages to a file. With MSBuild 3.5 a new set of command line switches are provided to attach a file logger. We will first discuss the 3.5 syntax then the 2.0 syntax. In order to attach a file logger you can use the /fl switch and the /flp switch to specify its parameters, similar to the /clp switch. For example, you can use the command msbuild Logging01.proj /fl to attach a file logger without specifying any parameters. You can also use /fl[n] and /flp[n] where n ranges from 1 to 9 in order to attach additional file loggers. When you use these switches /flp1 corresponds to /fl1 and /flp4 o /fl4. If you specify parameters using /flp[n] then the /fl[n] is ...