A common use for e-mail is sending reports or other text documents. These can be tedious to retype, especially if they are lengthy. To save time you can combine your knowledge of redirection (from chapter 5) with the mail command to send a text file without retyping it.

In this example we will redirect the standard input to the mail command from the file payroll.txt. The -s option is used to supply a subject right at the command line:

$ mail -s "Payroll Info" user3@saturn < payroll.txt

$