Title: Incorrect information reflects the shortcut route it takes
Product review: Although the spirit of trying to be a handy reference is not a bad one, the books cannot differentiate itself from many of the short-cut, shallow books out there. One particular, when talking about Apache and mod_perl, a very important and prevelant extension to Apache, the author wrongfully states that "system calls such as system() ... IO pipe do not work." This is simply wrong in so many aspects. All of these can serve useful purposes when normal amount of caution is taken. THEY WORK. It makes me wonder if the author understands the real interaction of I/O under Apache/mod_perl's model at all, since he does not give any reference to the truth. On the other hand, the section does not state caveats such as scope and persistence of variable values in any apache/mod_perl setup. This is such an important issue which is the most common errors among mod_perl CGI beginners. There is NO shortcut to the full power of Apache.
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