commit-email.pl: Global symbol "@SVN_BINDIR" requires explicit package name at commit-email.pl line 56.

Hi all,
    I'm new to subversion hook scripts, and I simply want to send out a
commit email to a list of users.

When I downloaded the commit-email.pl and put it in the hooks dir, I tried
running it.

I get this error:
[quote]
Possible unintended interpolation of @SVN_BINDIR in string at
commit-email.pl line 56.
Global symbol "@SVN_BINDIR" requires explicit package name at
commit-email.pl line 56.
Execution of commit-email.pl aborted due to compilation errors.
[/quote]

Do I need to set this global variable somewhere?

Thanks,
Eric

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