diff options
| author | Wilson P. Snyder II <unknown@perl.org> | 1998-11-30 00:00:00 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 1998-12-31 11:18:17 +0000 |
| commit | 4f19785bce4da39a768aa6210f1f97ab4c0600dd (patch) | |
| tree | d61c839a9780269b7b0766bad2487e8053caa5fd /pod | |
| parent | 142393a6492fce5c4bb6f282b1ba1d8da7c0064b (diff) | |
| download | perl-4f19785bce4da39a768aa6210f1f97ab4c0600dd.tar.gz | |
REV2: Binary number support
To: perl5-porters@perl.org
Message-ID: <199811301543.KAA15689@vulcan.maker.com>
p4raw-id: //depot/cfgperl@2546
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perldata.pod | 1 | ||||
| -rw-r--r-- | pod/perldelta.pod | 6 | ||||
| -rw-r--r-- | pod/perlfunc.pod | 6 |
3 files changed, 11 insertions, 2 deletions
diff --git a/pod/perldata.pod b/pod/perldata.pod index 9e41c2c368..7b9a323338 100644 --- a/pod/perldata.pod +++ b/pod/perldata.pod @@ -245,6 +245,7 @@ integer formats: .23E-10 0xffff # hex 0377 # octal + 0b111000 # binary 4_294_967_296 # underline for legibility String literals are usually delimited by either single or double diff --git a/pod/perldelta.pod b/pod/perldelta.pod index aa3539be8a..bdcb7cf40c 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -40,6 +40,12 @@ maintenance versions. =head1 Core Changes +Binary numbers are now supported as literals, in s?printf formats, and +C<oct()>: + + $answer = 0b101010; + printf "The answer is: %b\n", oct("0b101010"); + The length argument of C<syswrite()> is now optional. Better 64-bit support -- but full support still a distant goal. One diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 300379f6d7..c78161141a 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -2237,8 +2237,9 @@ See the L</use> function, which C<no> is the opposite of. =item oct Interprets EXPR as an octal string and returns the corresponding -value. (If EXPR happens to start off with C<0x>, interprets it as -a hex string instead.) The following will handle decimal, octal, and +value. (If EXPR happens to start off with C<0x>, interprets it as a +hex string. If EXPR starts off with C<0b>, it is interpreted as a +binary string.) The following will handle decimal, binary, octal, and hex in the standard Perl or C notation: $val = oct($val) if $val =~ /^0/; @@ -3644,6 +3645,7 @@ In addition, Perl permits the following widely-supported conversions: %X like %x, but using upper-case letters %E like %e, but using an upper-case "E" %G like %g, but with an upper-case "E" (if applicable) + %b an unsigned integer, in binary %p a pointer (outputs the Perl value's address in hexadecimal) %n special: *stores* the number of characters output so far into the next variable in the parameter list |