I was about to rant hey that does not even work, it spits out a ton of warnings, how dare you post such untested code, etc etc.. Then I saw I had an old version of Date::Manip. After upgrading from 5.42 to 5.48 it works flawlessly. 
# Date::Manip 5.42
]$ /usr/bin/perl -w 679308.pl
Argument "approx" isn't numeric in numeric gt (>) at /usr/lib/perl5/ve
+ndor_perl/5.8.5/Date/Manip.pm line 1908, <DATA> line 24.
Diff between 06/30/96 and 06/30/96 is 0.000000
Argument "approx" isn't numeric in numeric gt (>) at /usr/lib/perl5/ve
+ndor_perl/5.8.5/Date/Manip.pm line 1908, <DATA> line 24.
Diff between 06/30/96 and 08/07/97 is 0.000000
Argument "approx" isn't numeric in numeric gt (>) at /usr/lib/perl5/ve
+ndor_perl/5.8.5/Date/Manip.pm line 1908, <DATA> line 24.
Diff between 06/30/96 and 09/05/97 is 0.000000

[download]
# Date::Manip 5.48
$ /usr/bin/perl 679308.pl
Diff between 06/30/96 and 06/30/96 is 0.000000
Diff between 06/30/96 and 08/07/97 is 13.240246
Diff between 06/30/96 and 09/05/97 is 14.193018

[download]
Owners of older versions of Date::Manip are hereby warned.
--
Andreas

In reply to Re^2: compare dates? by andreas1234567
in thread compare dates? by Anonymous Monk

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