A question came up at work the other day, if you could override the Perl open() function. There’s many possible uses for this, but work’s was simple: we wanted a log of all files accessed during a program run. The program is large, complex, and uses many modules. An override of open() would let us record the file and open mode, then call CORE::open.
We couldn’t do it. After a second look, I still can’t do it. Not for all cases, anyway. (more…)
chromatic mentioned something in the preface to his book Modern Perl that I had been looking for but hadn’t yet found. He then went on to mention a couple of other things which were just plain neat. I knew about one of them, but not the second and thought they were both great ideas and thought I’d try and get them wider attention. (more…)
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