Reading Input
There are several methods of reading input that will be discussed in the next two chapters:
The standard input filehandle
The diamond operator
User-created filehandles (discussed in a later chapter)
The most common method of reading input is the standard input filehandle. A filehandle is a connection between your script and a “port.” The standard input filehandle reads data from the port connected to standard input (data coming from the keyboard by default).
The user who runs the program can “redirect” the origin of standard ...
