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git-svn

You can make sure these changes were committed to the svn repository, by doing a svn up in a regular svn clone of the repo. To fetch changes from the svn repo, instead of svn up , do

Perl 5.8 vs 5.10

Apparently this used to work in Perl5.8.9 but no in Perl5.10.0 anymore: $line is empty when run with 5.10.0, but the correct data, when run with 5.8.9. In 5.10.0, omit the extra ${}: So be careful, when updating to Snowleopard (comes with Perl5.10.0) and your scripts don't work as expected.

crontab

What you need to know: Either use the minute hour day month day-of-week format, or shortcuts like @daily . The script should be placed in /etc/cron with permission to be executable, i.e. 755.