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What are the new warnings in Perl 5.34.0?

Sarvech Qadir

Perl is a widely-used general-purpose programming language. It offers great services, including text manipulation, GUI development, and much more.

There were many enhancements from the Perl 5.32.0 release and the 5.34.0 release. Click here for a full list of differences between the two versions.

In this shot, let’s talk about the new warnings in Perl 5.34.0.

Perl v5.34.0 gives the following warning:

  • Wide character in setenv key (encoding to utf8).

This warning occurs when someone attempts to input or output any wide charactersAny ordinal greater than 255, especially when this is not expected. Imagine a character is required, but input is greater than 8 bits (a wide character). This warning often occurs during an input/output operation.

There are several ways to remove this warning:

  1. Add the utf-8 layer using the command binmode STDOUT, ':utf8'.

  2. Add no warnings 'utf8'.

  3. Check the code for any incorrect results being obtained.

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