printf format [val ...] ksh93 only.Formatted printing, like the ANSI C printf function.
%bExpand escape sequences in strings (e.g., \t to tab, and so on).
%dAn additional period and the output base can follow the precision (e.g., %5.3.6d to produce output in base 6).
%PTranslate egrep extended regular expression into ksh pattern.
%qPrint a quoted string that can be reread later on.