Code is running on a local machine, not a Shiny server. Helpful for skipping items that can be problematic on the server. In this case, printing to the log.
check.fn
Function to run after reach file is read-in.
run.files
Optionally pass the list of files to run. Otherwise, list.files will be run on the folder.
verbose
Print names of files and run-time via cat.
edit.on.err
Open the running file if an error occurs.
pattern
Passed to list.files. Pattern to match/filter files.