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Diffstat (limited to 'doc/gawk.texi')
| -rw-r--r-- | doc/gawk.texi | 19 |
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diff --git a/doc/gawk.texi b/doc/gawk.texi index 7b69b528..7dfa3b38 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -9557,6 +9557,25 @@ the field width. Here is a list of the format-control letters: @c @asis for docbook to come out right @table @asis +@item @code{%a}, @code{%A} +A floating point number of the form +[@code{-}]@code{0x@var{h}.@var{hhhh}p+-@var{dd}} +(C99 hexadecimal floating point format). +For @code{%A}, +uppercase letters are used instead of lowercase ones. + +@quotation NOTE +While the current POSIX standard requires support for @code{%a} +and @code{%A} in @command{awk}, as far as we know, no other version +of @command{awk} actually implements it. It's use is thus highly +nonportable! + +Furthermore, these formats are not available on any system where the +underlying C library @code{printf()} function does not support them. As +of this writing, among current systems, only OpenVMS is known to not +support them. +@end quotation + @item @code{%c} Print a number as a character; thus, @samp{printf "%c", 65} outputs the letter @samp{A}. The output for a string value is |