Formatting output with printf()

…In addition to the print statement, AWK…provides the function printf for formatted printing.…In this lesson, we'll use printf to output a file of names, email…addresses, and bowling averages, in a nice columnal format for a fixed width font.…You might do this to output the information…interactively, for easy reading in the terminal window.…The printf function in AWK has much the same…syntax as it does in the C programming language.…Printf takes one argument which is a format and a number…of arguments after that of values depending on the original format.…

The parentheses after printf are optional in AWK, but…in most circumstances it's a good practice to include them.…This function outputs zero or more values…in the format specified by its format argument.…Which is a single string containing format specifiers…that tell printf how to output the value arguments.…Each format specifier is matched to a value in order.…Here's the input file we'll be using for this lesson.…As you see, it is a comma separated file with…