How to Read an XML File in FH Perl
The Perl scripting language can be used to perform a variety of software tasks, including reading XML files. The language's "filehandle" (FH) feature allows developers to add an element to their Perl script that will obtain a specific file and parse it for other uses in a software application. Using FH in Perl is a relatively easy procedure for experienced programmers, but may require a bit of practice for those new to Perl.
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Instructions
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Open up a text-editing program where you can create a new Perl script. Use a program such as Notepad, which is bundled with Microsoft Windows, or TextEdit, which is bundled with Mac OS X.
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Initiate a new perl document by adding the following line of code at the top of the document:
#!/usr/local/bin/perl
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Specify the file and the location from which it should be taken by using the "$file" command and specifying the file and its file path, for example:
$file = '/etc/xmlfile.xml';
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Open the file by using the "open" command and adding it below the file parameter definitions:
$file = '/etc/xmlfile.xml'
open(INFO, $file); -
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Save the code you've created and paste it into the Perl scripts and Perl applications to which you want to add the XML reader. This code can be used on its own to obtain a specified XML file or integrated into an application that needs to call an XML file so it can be processed in some way using another piece of code.
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