When we teach a language such as Perl, we divide our course into a series of modules so that the subject is presented little by little, and we include exercises at the end of each module to allow our trainees to practise what they have just heard about. Here, a trainee is writing a program to read and write data files in Perl - a subject taught on our "first level" perl courses. Further file handling (random access, file locking, binary data, etc) is taught on our public advanced Perl courses, and if requested on private courses.

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More about file handling in Perl

Associated topic - Perl - Tieing

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