(GPL-1.0-or-later or Artistic-1.0-perl) and (GPL-2.0-or-later or Artistic-1.0-perl) and MIT and UCD and Public Domain and BSD
((Artistic-1.0-Perl OR GPL-1.0-or-later) AND Artistic-2.0)
(GPL-1.0-or-later or Artistic-1.0-perl) and MIT and UCD
Implements default import method for modules
The Exporter module implements an import method which allows a module to export functions and variables to its users' name spaces. Many modules use Exporter rather than implementing their own import method because Exporter provides a highly flexible interface, with an implementation optimized for the common case.
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The GNU version of the AWK text processing utility
The gawk package is the GNU implementation of awk. The awk utility interprets a special-purpose programming language that makes it possible to handle simple data-reformatting jobs with just a few lines of code.
Tools for working with directory and file names.
This package is the shared library for perl.
Print a usage message from embedded pod documentation
Pod2usage will print a usage message for the invoking script (using its embedded pod documentation) and then exit the script with the desired exit status. The usage message printed may have any one of three levels of "verboseness": If the verbose level is 0, then only a synopsis is printed. If the verbose level is 1, then the synopsis is printed along with a description (if present) of the command line options and arguments. If the verbose level is 2, then the entire manual page is printed.
This package contains vaious source files from the kernel.
Three modules provided by this package: * bigint - Transparent BigInteger support for Perl * bignum - Transparent BigNumber support for Perl * bigrat - Transparent BigNumber/BigRational support for Perl * bigfloat - Transparent big floating point number support for Perl
Extended processing of command line options
Module Getopt::Long implements an extended getopt function called GetOptions(). This function implements the POSIX standard for command line options, with GNU extensions, while still capable of handling the traditional one-letter options.
Return name and handle of a temporary file safely
File::Temp can be used to create and open temporary files in a safe way. There is both a function interface and an object-oriented interface. The File::Temp constructor or the tempfile() function can be used to return the name and the open file handle of a temporary file. The tempdir() function can be used to create a temporary directory. The security aspect of temporary file creation is emphasized such that a filehandle and filename are returned together. This helps guarantee that a race condition can not occur where the temporary file is created by another process between checking for the existence of the file and its opening. Additional security levels are provided to check, for example, that the sticky bit is set on world writable directories. See "safe_level" for more information. For compatibility with popular C library functions, Perl implementations of the mkstemp() family of functions are provided. These are, mkstemp(), mkstemps(), mkdtemp() and mktemp(). Additionally, implementations of the standard POSIX tmpnam() and tmpfile() functions are provided if required. Implementations of mktemp(), tmpnam(), and tempnam() are provided, but should be used with caution since they return only a filename that was valid when function was called, so cannot guarantee that the file will not exist by the time the caller opens the filename. Filehandles returned by these functions support the seekable methods.
The Encode module provides the interface between Perl strings and the rest of the system. Perl strings are sequences of characters.
A set of basic GNU tools commonly used in shell scripts
These are the GNU core utilities. This package is the combination of the old GNU fileutils, sh-utils, and textutils packages.
This pragma allows you to declare constants at compile-time. When a constant is used in an expression, Perl replaces it with its value at compile time, and may then optimize the expression further. In particular, any code in an "if (CONSTANT)" block will be optimized away if the constant is false.
Stringified perl data structures, suitable for both printing and eval
Given a list of scalars or reference variables, writes out their contents in perl syntax. The references can also be objects. The content of each variable is output in a single Perl statement. Handles self-referential structures correctly. The return value can be evaled to get back an identical copy of the original reference structure. (Please do consider the security implications of eval'ing code from untrusted sources!)
Color screen output using ANSI escape sequences
This Perl module is a simple and convenient interface to the ANSI terminal escape sequences for color (from ECMA-48, also included in ISO 6429). The color sequences are provided in two forms, either as constants for each color or via a function that takes the names of colors and returns the appropriate escape codes or wraps them around the provided text. The non-color text style codes from ANSI X3.64 (bold, dark, underline, and reverse, for example), which were also included in ECMA-48 and ISO 6429, are also supported. Also supported are the extended colors used for sixteen-color and 256-color emulators.
This module provides a convenient way to create directories of arbitrary depth and to delete an entire directory subtree from the filesystem.
A highly capable, feature-rich programming language
Perl 5 is a highly capable, feature-rich programming language with over 30 years of development. Perl 5 runs on over 100 platforms from portables to mainframes and is suitable for both rapid prototyping and large scale development projects.
Arbitrary size integer/float math package
Math::BigInt provides support for arbitrary precision integers. Overloading is also provided for Perl operators.
Text::Tabs does most of what the unix utilities expand(1) and unexpand(1) do. Given a line with tabs in it, expand replaces those tabs with the appropriate number of spaces. Given a line with or without tabs in it, unexpand adds tabs when it can save bytes by doing so, like the unexpand -a command. Unlike the old unix utilities, this module correctly accounts for any Unicode combining characters (such as diacriticals) that may occur in each line for both expansion and unexpansion. These are overstrike characters that do not increment the logical position. Make sure you have the appropriate Unicode settings enabled.
Bash is the GNU Project's shell. Bash is the Bourne Again SHell. Bash is an sh-compatible shell that incorporates useful features from the Korn shell (ksh) and C shell (csh). It is intended to conform to the IEEE POSIX P1003.2/ISO 9945.2 Shell and Tools standard. It offers functional improvements over sh for both programming and interactive use. In addition, most sh scripts can be run by Bash without modification.