By Scott Guelich
Rather solid content material, yet hideously geared up. The booklet jumps all over and very lacks the coherence i have come to count on from O'Reilly books. I used "Learning Perl" to get beautiful reliable with Perl in weeks. The ebook on HTML is fantastic to boot. an exceptional "Learning CGI" booklet to steer into this one will be great i feel.
Read Online or Download CGI Programming with Perl PDF
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Extra resources for CGI Programming with Perl
4. Separate Configuration from Your Primary Code Information that is likely to change in the program or that is dependent upon the environment should be placed in a separate setup file. With Perl, setup files are easy because you can write the file in Perl; they simply need to set one or more global variables. To access these variables in a CGI script, first use Perl's require function to import the configuration file. In some scenarios, each web developer may need different configuration parameters.
We'll use the Apache web server for this example, but the configuration details are very similar for other web servers, as well. 32 Chapter 11. Maintaining State Chapter 11. cgi When a user requests a document from the /usr/local/apache/htdocs/store directory, Apache executes the query_track application, passing to it the relative URL of the requested document as extra path information. Here's an example. htmll. Then, it opens the file, creates a new identifier for the user, embeds it into each relative URL within the document, and returns the modified HTML stream to the browser.
Guidelines for Better CGI Applications Chapter 16. 5. Separating Display from Your Primary Code The display associated with a CGI script is one of the most likely things to change in the lifetime of an application. Most Web sites undergo some look and feel change during their evolution, and an application that will be used across several web sites needs to be flexible enough to accommodate all of their individual cosmetic guidelines. We discussed many of the arguments for separating display from logic in Chapter 6, "HTML Templates".