$ cd /usr/local/bin
$ ./psync
Can't locate MacOSX/File.pm in @INC (@INC contains: /System/Library/Perl/5.8.1/darwin-
thread-multi-2level /System/Library/Perl/5.8.1 /Library/Perl/5.8.1/darwin-thread-multi-
2level /Library/Perl/5.8.1 /Library/Perl /Network/Library/Perl/5.8.1/darwin-thread-multi-
2level /Network/Library/Perl/5.8.1 /Network/Library/Perl .) at ./psync line 14.
BEGIN failed--compilation aborted at ./psync line 14.