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by: Bernard Teo








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Bernard Teo
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Mon 05 Apr 2004

logGen

Category : Technology/logGen.txt

I read about logGen in MacSurfer on Saturday (which pointed to me to Macosxhints). It's interesting how things turn up just when you need them. This looks like what I need to keep track of the Perl modules. For example, if I install Date::Calc, I will get an output like this after running logGen :

logGen -- version 1.0
Copyright 2004 - The Regents of the University of Michigan
All Rights Reserved

45 new files:
---------------
/Library/Perl/5.8.1/darwin-thread-multi-2level/Bit/
/Library/Perl/5.8.1/darwin-thread-multi-2level/Carp/
/Library/Perl/5.8.1/darwin-thread-multi-2level/Date/
/Library/Perl/5.8.1/darwin-thread-multi-2level/auto/.DS_Store
/Library/Perl/5.8.1/darwin-thread-multi-2level/auto/Bit/
/Library/Perl/5.8.1/darwin-thread-multi-2level/auto/Date/
/Library/WebServer/.DS_Store
/System/Library/Perl/5.8.1/CPAN/Config.pm
/man/
---------------
2 changed files:
---------------
/Library/Logs/PasswordService/ApplePasswordServer.Server.log
/System/Library/Perl/5.8.1/darwin-thread-multi-2level/perllocal.pod
---------------
0 deleted files

So this tells me that these are all the new stuff that came in with the Date::Calc installation, including all the modules Date::Calc depended on, and where you can find them.

Neat. Even if I had monitored the terminal window like a hawk during the Date::Calc installation, I would never have figured this out. An alternative is to compare the state of the file system using two machines. (Actually I did that and realised I would have needed three machines, with one serving as the baseline.) But this would be too tedious and almost impossible to get right.

So logGen is a great tool and I'm sure I can find even more use for it.

I can see that the installation process wrote something into perllocal.pod. Perhaps there's a short cut to all this if I know enough about Perl and maybe the answers are all in the pod file. But you learn things any way you can.

Posted at 12:36PM UTC | permalink

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