newest_file: Find The Newest File.
In cfbeuchel/CarlHelpR: A Package With Functions

Look for a file in the working directory or a subfolder and return a character string with the newest version of the file matching the queried character string.

1 2	newest_file(look_for = NA, subfolder = NA, directory = NA, print_full = F)

`look_for`	Character string with the name, or part of the name, of the file to look for
`subfolder`	Specify the subfolder to look for the file for when location is the working directory
`directory`	when Files are not in the working directory put the full path to the directory to search through here. Does not work with parameter subfolder
`print_full`	If TRUE will print complete path to the file