# Functions
Concat concatenates files into a new, large file.
Copy (surprisingly) copies a file to another location, possibly overwriting existing files.
IsOlderThanDirectory checks if a given file is older than any of the files in a given directory.
IsOlderThanGlob checks if a given file is older than the files matching the glob pattern.
# Constants
Error or skip on non-fatal errors.
Use system temp directory or current working directory for temp files.
# Variables
JsonArrayWrapper is an Options struct predefined for concatenating Json files into a new array.
JsonObjectWrapper is an Options struct predefined for concatenating Json files into a new object with the filename as key.