Converting shell to Perl I run into shell built in function trap and need alternative in Perl

Shell Programming and Scripting
1

I am working on converting shell to Perl script. In shell we have built in function

 trap

Do you know alternative in Perl or actually we don't need it?

Thanks for contribution

2

I'd start here

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3

I did, but I don't know why shell is using trap. It is clean directories and exit

4

... or to do whatever 'cleanup' needs to be done (based on the script functionality)

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