Titlebook: Pro Perl Programming; From Professional to William "Bo" Rothwell Book 2020 William "Bo" Rothwell of One Course Source, Inc. 2020 Perl.progr

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Advanced File Handling,File handling is the process of working with data that either originates from an external source (typically a file) or is to be sent to an external destination. Perl offers several features related to file handling that are covered in this chapter.

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Pragmas,The intent behind pragmas is to modify the behavior of your Perl script. Pragmas are invoked with the . statement:..

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Exploring Useful Built-in Modules,Years ago, while assisting a client with a Perl program, the client demonstrated a function that he was very proud of. The purpose of this function was to overcome the limitations of Perl and allow for larger floating point numbers. The code itself was a few hundred lines long, took weeks of work, and was still a bit buggy.

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Perl/TK Basics,The idea behind Tk is to create an easy-to-use interface between Perl and Windows. In order to do this, Tk builds on top of the X Window System (or Microsoft Windows) to create "sub-windows" that contain buttons, menu bars, scroll bars, and other windows components. These components are called ..

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