getpwuid

getpwuid UID

defined

defined EXPR defined Returns a Boolean value telling whether EXPR has a value other than the undefined value undef. If EXPR is not present, $_ is checked. Many operations return undef to indicate failure, end of file, system error, uninitialized variable, and other exceptional conditions. This function allows you to distinguish undef from other values. (A simple Boolean test will not distinguish among undef, zero, the empty string, and "0" , which are all equally false.) Note that since undef i

setgrent

setgrent

IO::Handle - supply object methods for I/O handles

NAME SYNOPSIS DESCRIPTION CONSTRUCTOR METHODS NOTE SEE ALSO BUGS HISTORY NAME IO::Handle - supply object methods for I/O handles SYNOPSIS use IO::Handle; $io = IO::Handle->new(); if ($io->fdopen(fileno(STDIN),"r")) { print $io->getline; $io->close; } $io = IO::Handle->new(); if ($io->fdopen(fileno(STDOUT),"w")) { $io->print("Some text\n"); } # setvbuf is not available by default on Perls 5.8.0 and later. use IO::Handle '_IOLBF'; $io->setvbuf($buffer_var,

IO::Zlib - IO:: style interface to Compress::Zlib

NAME SYNOPSIS DESCRIPTION CONSTRUCTOR OBJECT METHODS USING THE EXTERNAL GZIP CLASS METHODS DIAGNOSTICS SEE ALSO HISTORY COPYRIGHT NAME IO::Zlib - IO:: style interface to Compress::Zlib SYNOPSIS With any version of Perl 5 you can use the basic OO interface: use IO::Zlib; $fh = new IO::Zlib; if ($fh->open("file.gz", "rb")) { print <$fh>; $fh->close; } $fh = IO::Zlib->new("file.gz", "wb9"); if (defined $fh) { print $fh "bar\n"; $fh->close; } $fh = IO::Zlib-&g

IO::Compress::RawDeflate - Write RFC 1951 files/buffers

NAME SYNOPSIS DESCRIPTION Functional Interfacerawdeflate $input_filename_or_reference => $output_filename_or_reference [, OPTS] Notes Optional Parameters Examples OO InterfaceConstructor Constructor Options Examples Methodsprint printf syswrite write flush tell eof seek binmode opened autoflush input_line_number fileno close newStream([OPTS]) deflateParams Importing EXAMPLESApache::GZip Revisited Working with Net::FTP SEE ALSO AUTHOR MODIFICATION HISTORY COPYRIGHT AND LICENSE NAME

ExtUtils::Command::MM - Commands for the MM's to use in Makefiles

NAME SYNOPSIS DESCRIPTION NAME ExtUtils::Command::MM - Commands for the MM's to use in Makefiles SYNOPSIS perl "-MExtUtils::Command::MM" -e "function" "--" arguments... DESCRIPTION FOR INTERNAL USE ONLY! The interface is not stable. ExtUtils::Command::MM encapsulates code which would otherwise have to be done with large "one" liners. Any $(FOO) used in the examples are make variables, not Perl. test_harness test_harness($verbose, @test_libs); Runs the tests on @ARGV via Test::Harness passi

threads::shared - Perl extension for sharing data structures between threads

NAME VERSION SYNOPSIS DESCRIPTION EXPORT FUNCTIONS OBJECTS NOTES WARNINGS BUGS AND LIMITATIONS SEE ALSO AUTHOR LICENSE NAME threads::shared - Perl extension for sharing data structures between threads VERSION This document describes threads::shared version 1.48 SYNOPSIS use threads; use threads::shared; my $var :shared; my %hsh :shared; my @ary :shared; my ($scalar, @array, %hash); share($scalar); share(@array); share(%hash); $var = $scalar_value; $var = $shared_ref_value; $var = shared_cl

gt

gt These operators are documented in perlop.

Compress::Raw::Zlib - Low-Level Interface to zlib compression library

NAME SYNOPSIS DESCRIPTION Compress::Raw::Zlib::Deflate*($d, $status) = new Compress::Raw::Zlib::Deflate( [OPT] ) * *$status = $d->deflate($input, $output)* *$status = $d->flush($output [, $flush_type]) * *$status = $d->deflateReset() * *$status = $d->deflateParams([OPT])* *$status = $d->deflateTune($good_length, $max_lazy, $nice_length, $max_chain)* *$d->dict_adler()* *$d->crc32()* *$d->adler32()* *$d->msg()* *$d->total_in()* *$d->total_out()* *$d->get_Strat