GNU Info

(gawk.info)Printf

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Using `printf' Statements for Fancier Printing
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   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.