ByteCountSI converts bytes to a human-readable format.

Check panics if err is not nil.

CheckIgnoreTimeout panics if err is not nil and not a timeout.

CreateDir creates the data folder if it does not exist.

FileExists returns true if a file exists.

FolderExists returns true if a folder exists.

GenerateRandomString returns a URL-safe, base64 encoded securely generated random string.

GetFileSize returns the file size in bytes.

IsInArray returns true if value is in array.

ReadLine reads a line from the terminal and returns it as a string.

ReadPassword reads a line without displaying input from the terminal and returns it as a string.

ErrPathDoesNotExist is raised if the requested path does not exist.

ErrPathIsNotDir is raised if the requested path is not a directory.