File extensions in Perl

In the ecosystem of the Perl programming language, often uses the following file extensions:

  • .pl — file with the program code in Perl (pl is the first and last letter of the word perl)
  • .pm file with code libraries in Perl (pmperl module)
  • .t — file with the test code (the first letter of the word test)
  • .pod — file the documentation in the POD format (plain old documentation), the projects are not very often used, most often, the documentation in the POD format is written next to the code in the files .pm

For code files programs extension .pl often do not indicate. The script can be called as create_db.pl, and just create_db.

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