Ever get the spinning beachball when trying to access the top menu on your Mac? SOLUTIONS Use the GUI Open the Activity Monitor application Select All Processes from the View menu Click on the SystemUIServer process, then click Force Quit. ~or~ Via CLI In Terminal, execute killall SystemUIServer
The key is to define a variable first, then use the BEGIN block to initialize the variable, then reference the variable in use lib $var; later on ;-} For example, enable a module contained in the same directory as a script called via the PATH: