e format ... Function
Makes use of printf to format the string format with the additional arguments, then stores the ... test the outcome of the function we can use this format of the if statement if we wanted:
if char... any things, whether it's numeric, character only, formats, or the length of the field.
Suppose you had a... ce the functions file is sourced with the command format:
. /<path to file>
A subshell will not
