On May 31, 2012, at 8:36 AM, Andrew Hume wrote: > what date command are you using? > (i know of no date command that takes differences).
FreeBSD, Mac OSX whistler:/Users/dan $ date Thu May 31 09:39:11 MDT 2012 whistler:/Users/dan $ date -v -1m Mon Apr 30 09:39:15 MDT 2012 Dan -- Dan Busarow d...@buildingonline.com 949 496 6648 x218 Follow BuildingOnline on: http://Twitter.com/BuildingOnline http://Facebook.com/BuildingOnline http://Linkedin.com/groupRegistration?gid=1925831 $ date -v -1m > > On May 31, 2012, at 7:32 AM, Frank Bulk wrote: > >> True, no April 31st, but there's an April 30. =) >> >> I don't understand why it's OK to assume a 30-day month. If someone wants >> 30 days then just do a "date -d '-30 days'" -- one could just as well assume >> the 1 month is 4 weeks or two fortnights. >> >> Frank >> >> -----Original Message----- >> From: Jonathan [mailto:lo...@redigloo.org] >> Sent: Thursday, May 31, 2012 9:30 AM >> To: frnk...@iname.com >> Cc: Tech@lists.lopsa.org >> Subject: Re: [lopsa-tech] Date function seems assume 30-day month >> >> "Thirty days hath September, April, June and November..." >> >> There is no 31st April. >> >> $ date -d '-1 month' >> Tue May 1 15:28:44 BST 2012 >> $ date -d '-2 month' >> Sat Mar 31 15:28:52 BST 2012 >> >> Jonathan. >> >> On 31/05/12 15:22, Frank Bulk wrote: >>> I noticed a daily script was giving out some incorrect output, and looking >>> at it more closely I saw that the date function assumes a 30-day month: >>> >>> nagios:/# date >>> Thu May 31 09:22:02 CDT 2012 >>> nagios:/#nagios:/# date -d '-1 month' >>> Tue May 1 09:19:54 CDT 2012 >>> nagios:/# >>> >>> Shouldn't the output be April 31st? >>> >>> Frank >>> >>> >>> >>> _______________________________________________ >>> Tech mailing list >>> Tech@lists.lopsa.org >>> https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech >>> This list provided by the League of Professional System Administrators >>> http://lopsa.org/ >> >> -- >> Jonathan Crompton >> >> >> >> _______________________________________________ >> Tech mailing list >> Tech@lists.lopsa.org >> https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech >> This list provided by the League of Professional System Administrators >> http://lopsa.org/ > > > ------------------ > Andrew Hume (best -> Telework) +1 623-551-2845 > and...@research.att.com (Work) +1 973-236-2014 > AT&T Labs - Research; member of USENIX and LOPSA > > > > > _______________________________________________ > Tech mailing list > Tech@lists.lopsa.org > https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech > This list provided by the League of Professional System Administrators > http://lopsa.org/
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