C-style Logical And Binary "&&" performs a short-circuit logical AND operation. That is, if the left operand is false, the right operand is not even evaluated. Scalar or list context propagates down to the right operand if it is evaluated.

HANDLE->format_lines_left(EXPR)

NAME SYNOPSIS DESCRIPTION SEE ALSO AUTHOR COPYRIGHT NAME IO::Dir - supply object methods for directory handles SYNOPSIS use IO::Dir; $d = IO::Dir->new("."); if (defined $d) { while (defined($_ = $d->read)) { something($_); } $d->rewind; while (defined($_ = $d->read)) { something_else($_); } undef $d; } tie %dir, 'IO::Dir', "."; foreach (keys %dir) { print $_, " " , $dir{$_}->size,"\n"; } DESCRIPTION The IO::Dir package provides

NAME SYNOPSIS SYNOPSIS (HMAC-SHA) ABSTRACT DESCRIPTION UNICODE AND SIDE EFFECTS NIST STATEMENT ON SHA-1 PADDING OF BASE64 DIGESTS EXPORT EXPORTABLE FUNCTIONS SEE ALSO AUTHOR ACKNOWLEDGMENTS COPYRIGHT AND LICENSE NAME Digest::SHA - Perl extension for SHA-1/224/256/384/512 SYNOPSIS In programs: # Functional interface use Digest::SHA qw(sha1 sha1_hex sha1_base64 ...); $digest = sha1($data); $digest = sha1_hex($data); $digest = sha1_base64($data); $digest = sha256($data); $digest = sha384_hex

dbmclose HASH [This function has been largely superseded by the untie function.] Breaks the binding between a DBM file and a hash. Portability issues: dbmclose in perlport.

NAME DESCRIPTION SYNOPSIS OPTIONS SEE ALSO NAME ptardiff - program that diffs an extracted archive against an unextracted one DESCRIPTION ptardiff is a small program that diffs an extracted archive against an unextracted one, using the perl module Archive::Tar. This effectively lets you view changes made to an archives contents. Provide the progam with an ARCHIVE_FILE and it will look up all the files with in the archive, scan the current working directory for a file with the name and diff

NAME SYNOPSIS DESCRIPTION OVERRIDING CORE FUNCTIONS AUTHOR SEE ALSO NAME CORE - Namespace for Perl's core routines SYNOPSIS BEGIN { *CORE::GLOBAL::hex = sub { 1; }; } print hex("0x50"),"\n"; # prints 1 print CORE::hex("0x50"),"\n"; # prints 80 CORE::say "yes"; # prints yes BEGIN { *shove = \&CORE::push; } shove @array, 1,2,3; # pushes on to @array DESCRIPTION The CORE namespace gives access to the original built-in functions of Perl. The CORE package is built into Perl, and

NAME SYNOPSIS DESCRIPTIONMETA CHARACTERS EXPORTS POSIX FLAGS DIAGNOSTICS NOTES SEE ALSO AUTHOR NAME File::Glob - Perl extension for BSD glob routine SYNOPSIS use File::Glob ':bsd_glob'; @list = bsd_glob('*.[ch]'); $homedir = bsd_glob('~gnat', GLOB_TILDE | GLOB_ERR); if (GLOB_ERROR) { # an error occurred reading $homedir } ## override the core glob (CORE::glob() does this automatically ## by default anyway, since v5.6.0) use File::Glob ':globally'; my @sources = <*.{c,h,y}>; ## o

@ARGV The array @ARGV contains the command-line arguments intended for the script. $#ARGV is generally the number of arguments minus one, because $ARGV[0] is the first argument, not the program's command name itself. See $0 for the command name.

NAME SYNOPSIS DESCRIPTION STORAGE METHODS LICENSE AUTHORS SEE ALSO NAME Math::BigInt::FastCalc - Math::BigInt::Calc with some XS for more speed SYNOPSIS Provides support for big integer calculations. Not intended to be used by other modules. Other modules which sport the same functions can also be used to support Math::BigInt, like Math::BigInt::GMP or Math::BigInt::Pari. DESCRIPTION In order to allow for multiple big integer libraries, Math::BigInt was rewritten to use library modules for co