4.5 Using `printf' Statements for Fancier Printing
For more precise control over the output format than what is normally
provided by `print', use `printf'. `printf' can be used to specify the
width to use for each item, as well as various formatting choices for
numbers (such as what output base to use, whether to print an exponent,
whether to print a sign, and how many digits to print after the decimal
point). This is done by supplying a string, called the "format
string", that controls how and where to print the other arguments.
* Basic Printf Syntax of the `printf' statement.
* Control Letters Format-control letters.
* Format Modifiers Format-specification modifiers.
* Printf Examples Several examples.
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