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The Inline::Python module allows you to put Python source code directly "inline" in a Perl script or module. It sets up an in-process Python interpreter, runs your code, and then examines Python's symbol table for things to bind to Perl. The process of interrogating the Python interpreter for globals only occurs the first time you run your Python code. The namespace is cached, and subsequent calls use the cached version.

Inline::TT provides Inline access to version 2.0 and higher of the Template Toolkit. This allows you to house your templates inside the source code file, while retaining the ability to cache compiled templates on the disk (via Inline's caching mechanism). The names of the blocks in the template are exported as functions. Call these with a reference to a hash of values, which will be used for interpolation in the templates. This hash reference is the same as the second argument to the process method of any Template object. The output from template toolkit will be returned to you as a single string. Note that leading and trailing spaces are trimmed, further the template toolkit options PRE_CHOMP and POST_CHOMP are set. Currently, there is no way to change these behaviors.

The Inline::Tcl module allows you to put Tcl source code directly "inline" in a Perl script or module. A Tcl interpreter is loaded and the Tcl code is interpreted, then Perl asks the Tcl interpreter which global procedures have been defined. Those functions are made available to your Perl program as if they had been written in Perl. The process of interrogating the Tcl interpreter for globals only occurs the first time you run your Tcl code. The namespace is cached, and subsequent calls use the cached version.

The Inline module allows you to put source code from other programming languages directly "inline" in a Perl script or module. The code is automatically compiled as needed, and then loaded for immediate access from Perl. Inline saves you from the hassle of having to write and compile your own glue code using facilities like XS or SWIG. Simply type the code where you want it and run your Perl as normal. All the hairy details are handled for you. The compilation and installation of your code chunks all happen transparently; all you will notice is the delay of compilation on the first run. The Inline code only gets compiled the first time you run it (or whenever it is modified) so you only take the performance hit once. Code that is Inlined into distributed modules (like on the CPAN) will get compiled when the module is installed, so the end user will never notice the compilation time.

This module does the same thing as msgfmt from GNU gettext-tools, except this is pure Perl.

The LockFile::Simple extension provides simple file locking, of the advisory kind, i.e. it requires cooperation between applications wishing to lock the same files. It is meant to be used in quick-and-dirty scripts or more elaborated programs that want a simple locking scheme, yet with a reasonable level of configuration.

This module provides filesystem and stream iterator functions. See the Iterator module for more information about how to use iterators.

This module contains miscellaneous iterator utility functions that I think aren't as broadly useful as the ones in Iterator::Util. They are here to keep the size of Iterator::Util down. For more information on iterators and how to use them, see the Iterator module documentation.

This module implements many useful functions for creating and manipulating iterator objects. An "iterator" is an object, represented as a code block that generates the "next value" of a sequence, and generally implemented as a closure. For further information, including a tutorial on using iterator objects, see the Iterator documentation.

This module is meant to be the definitive implementation of iterators, as popularized by Mark Jason Dominus's lectures and recent book (Higher Order Perl, Morgan Kauffman, 2005). An "iterator" is an object, represented as a code block that generates the "next value" of a sequence, and generally implemented as a closure. When you need a value to operate on, you pull it from the iterator. If it depends on other iterators, it pulls values from them when it needs to. Iterators can be chained together (see Iterator::Util for functions that help you do just that), queuing up work to be done but not actually doing it until a value is needed at the front end of the chain. At that time, one data value is pulled through the chain. Iterator.pm provides a class that simplifies creation and use of these iterator objects. Other Iterator:: modules (see "SEE ALSO") provide many general-purpose and special-purpose iterator functions.