Recursion is of unlimited depth and the hash tables used by associative arrays grow as necessary to prevent degraded performance. Perl uses sophisticated pattern matching techniques to scan large amounts of data very quickly. Although optimized for scanning text, Perl can also deal with binary data. Perl scripts are safer than C programs through a dataflow tracing mechanism which prevents many security holes. In short, compared to other languages, Perl makes it possible to solve web-programming problems with a few lines of code.
Users fill the forms and the content of the forms is converted to HTML-format.
Rest of the skripts are used in management tasks to remove files, to feed the Mindmapper-applet with file names and to monitor the users. With these features information security is simple to implement on the server. The MediaNet's technology is totally hidden from the end-user. Uploading video and audio files to the MediaNet server can be done via the Web. In the trial period the teachers of the schools and the specialists from the Regional Environmental Agency have produced learning material to the Media Center.