Writing to file in perl

Initializing filename. Opening a file and reading content. Executes if file not found. Previous Perl Opening and Reading a File. Next Perl Useful File-handling functions. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment?

Please use ide. Load Comments. What's New. Most popular in Perl. More related articles in Perl. We use cookies to ensure you have the best browsing experience on our website. Before going forward with this tutorial, you need to know how to open a file in Perl.

If you want to read from a file, follow the reading from a file tutorial. In order to write to a file, first you need to open the file for writing as follows:. Notice that if you write to a file that contains content, Perl will truncate its content.

The following example demonstrates how to read the content of one file and write it another file. We only used it for the "side effect". If you try the script with the above change you will get an error message: Died at Better error reporting Instead of just calling die without a parameter, we could add some explanation of what happened. It is better, but at some point someone will try to change the path to the correct directory That's much better.

With this we got back to the original example. That greater-than sign in the open call might be a bit unclear, but if you are familiar with command line redirection then this can be familiar to you too.

Otherwise just think about it as an arrow showing the direction of the data-flow: into the file on the right hand side. Non-latin character? To do that you need to tell Perl, you are opening the file with UTF-8 encoding.

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