Search results for "dist:perl O"
O - Generic interface to Perl Compiler backends
This is the module that is used as a frontend to the Perl Compiler. If you pass the "-q" option to the module, then the STDOUT filehandle will be redirected into the variable $O::BEGIN_output during compilation. This has the effect that any output pr...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
O - Generic interface to Perl Compiler backends
This is the module that is used as a frontend to the Perl Compiler. If you pass the "-q" option to the module, then the STDOUT filehandle will be redirected into the variable $O::BEGIN_output during compilation. This has the effect that any output pr...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
B - The Perl Compiler Backend
The "B" module supplies classes which allow a Perl program to delve into its own innards. It is the module used to implement the "backends" of the Perl compiler. Usage of the compiler does not require knowledge of this module: see the O module for th...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
B - The Perl Compiler Backend
The "B" module supplies classes which allow a Perl program to delve into its own innards. It is the module used to implement the "backends" of the Perl compiler. Usage of the compiler does not require knowledge of this module: see the O module for th...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
VMS::Stdio - standard I/O functions via VMS extensions
This package gives Perl scripts access via VMS extensions to several C stdio operations not available through Perl's CORE I/O functions. The specific routines are described below. These functions are prototyped as unary operators, with the exception ...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
VMS::Stdio - standard I/O functions via VMS extensions
This package gives Perl scripts access via VMS extensions to several C stdio operations not available through Perl's CORE I/O functions. The specific routines are described below. These functions are prototyped as unary operators, with the exception ...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
sort - perl pragma to control sort() behaviour
Historically the "sort" pragma you can control the behaviour of the builtin "sort()" function. Prior to v5.28.0 there were two other options: use sort '_mergesort'; use sort '_qsort'; # or '_quicksort' If you try and specify either of these in v5.28+...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
sort - perl pragma to control sort() behaviour
Historically the "sort" pragma you can control the behaviour of the builtin "sort()" function. Prior to v5.28.0 there were two other options: use sort '_mergesort'; use sort '_qsort'; # or '_quicksort' If you try and specify either of these in v5.28+...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
open - perl pragma to set default PerlIO layers for input and output
Full-fledged support for I/O layers is now implemented provided Perl is configured to use PerlIO as its IO system (which has been the default since 5.8, and the only supported configuration since 5.16). The "open" pragma serves as one of the interfac...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
open - perl pragma to set default PerlIO layers for input and output
Full-fledged support for I/O layers is now implemented provided Perl is configured to use PerlIO as its IO system (which has been the default since 5.8, and the only supported configuration since 5.16). The "open" pragma serves as one of the interfac...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
h2xs - convert .h C header files to Perl extensions
*h2xs* builds a Perl extension from C header files. The extension will include functions which can be used to retrieve the value of any #define statement which was in the C header files. The *module_name* will be used for the name of the extension. I...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
h2xs - convert .h C header files to Perl extensions
*h2xs* builds a Perl extension from C header files. The extension will include functions which can be used to retrieve the value of any #define statement which was in the C header files. The *module_name* will be used for the name of the extension. I...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
POSIX - Perl interface to IEEE Std 1003.1
The POSIX module permits you to access all (or nearly all) the standard POSIX 1003.1 identifiers. Many of these identifiers have been given Perl-ish interfaces. This document gives a condensed list of the features available in the POSIX module. Consu...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
POSIX - Perl interface to IEEE Std 1003.1
The POSIX module permits you to access all (or nearly all) the standard POSIX 1003.1 identifiers. Many of these identifiers have been given Perl-ish interfaces. This document gives a condensed list of the features available in the POSIX module. Consu...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
Config - access Perl configuration information
The Config module contains all the information that was available to the "Configure" program at Perl build time (over 900 values). Shell variables from the config.sh file (written by Configure) are stored in the readonly-variable %Config, indexed by ...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
perlop - Perl operators and precedence
In Perl, the operator determines what operation is performed, independent of the type of the operands. For example "$x + $y" is always a numeric addition, and if $x or $y do not contain numbers, an attempt is made to convert them to numbers first. Th...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
perlop - Perl operators and precedence
In Perl, the operator determines what operation is performed, independent of the type of the operands. For example "$x + $y" is always a numeric addition, and if $x or $y do not contain numbers, an attempt is made to convert them to numbers first. Th...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
perlre - Perl regular expressions
This page describes the syntax of regular expressions in Perl. If you haven't used regular expressions before, a tutorial introduction is available in perlretut. If you know just a little about them, a quick-start introduction is available in perlreq...
RJBS/perl-5.36.0 - 28 May 2022 00:26:10 UTC
perlre - Perl regular expressions
This page describes the syntax of regular expressions in Perl. If you haven't used regular expressions before, a tutorial introduction is available in perlretut. If you know just a little about them, a quick-start introduction is available in perlreq...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC
perlsub - Perl subroutines
Like many languages, Perl provides for user-defined subroutines. These may be located anywhere in the main program, loaded in from other files via the "do", "require", or "use" keywords, or generated on the fly using "eval" or anonymous subroutines. ...
PEVANS/perl-5.38.2 - 29 Nov 2023 16:10:36 UTC