How to write into files in perl

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Perl is an ideal language for working with files. It has the basic capability of any shell script and advanced tools, such as regular expressions, that make it useful. In order to work with Perl files, you first need to learn how to read and write to them. Reading a file is done in Perl by opening a filehandle to a specific resource. In order to work with the example in this article, you'll need a file for the Perl script to read. Create a new text document called data.
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Embedding Perl Into Web Pages

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Perl was originally developed for the text processing like extracting the required information from a specified text file and for converting the text file into a different form. Reading a text file is a very common task in Perl. After adding content to a text file in the notepad, store it as a csv file with the use of. These files can be easily opened in Excel and can be manipulated with the use of any suitable software. For Extracting every value from a specific line, we are going to use the split function. Use of Split for data extraction split is a predefined function in Perl which is used to separate a string into parts with the help of a delimeter. The first is a delimiter, the second is the string that needs to be split.
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Reading and writing a file with Perl

A filehandle is a variable that is used to read and write to a file. This filehandle gets associated with the file. Otherwise a new file will be created and content will be added.
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Why are you using 'system' to write to a file? Have you not heard of Perl's file managing functions? Have you read any documentation about this?
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