Location
The location of the flirc_util command line application ships in different location on each operating system. The commandline application is installed alongside the GUI. Should a copy be presented by itself online, question it's authenticity.
OS X
The location of the commandline utiltity is embedded in the Flirc.app application.
bash $ cd /Applications/Flirc.app/Contents/Resources/flirc_util
The application is compiled statically so there is no additional resources or libraries needed to run flirc_util.
Rather than remembering the location of the commandline utility, it can easily be installed. This can be done with the following command:
bash $ cp flirc_util /usr/local/bin/
Linux
The location of the commandline utiltity is installed side the Graphical User interface. The app is installed in /usr/local/bin which is in the $PATH. Running the application can be done by the following:
bash $ flirc_util help
Windows
The location of the commandline utiltity is installed side the Graphical User interface and is installed in the C:\Program Files (x86)\Flirc directory. The application is uniquely named flirc_util.exe on windows. The application must be used and called from the windows command prompt.
C:\Users\user> cd "C:\Program Files (x86)\flirc"
C:\Program Files (x86)\flirc>flirc_util.exe help
Note - Remember to add the .exe extension when following the information or instructions in this guide. Not doing so will cause extremely confusing results.