Hi Neil,

Thanks for the info. It looks as if unix.com is one to keep in your
favourites (and subscribe to).


regards,

Robert W.Mills
Business Systems Development Analyst
Group Information Systems & Technology
Pinnacle Entertainment
DDI: +44 (0)20 8309 3604


-----Original Message-----
From: Neil Armstrong [mailto:neil@nancweb.com]
Sent: 05 March 2008 15:22
To: Robert Mills
Subject: RE: [HP3000-L] Date arithmetic on Unix

Dear Robert,

Also should have included more examples that I found from this guy. Lots
of interesting scripts:

http://www.unix.com/showthread.php?t=13785

Neil


> -----Original Message-----
> From: HP-3000 Systems Discussion
> [mailto:HP3000-L@RAVEN.UTC.EDU] On Behalf Of Robert Mills
> Sent: Wednesday, March 05, 2008 10:03 AM
> To: HP3000-L@RAVEN.UTC.EDU
> Subject: [HP3000-L] Date arithmetic on Unix
>
>
> Greetings to the -L,
>
> I know that this is not an MPE question but I gather that there are
> loads of e3000 sites out there that also have 9000's and other Unix
> boxes.
>
> I have been asked to take an existing Korn (ksh) script and remove the


> need to manually edit some dates in it (today - 1 month, today - 1
> day, today + 1 day, today + 1 month, etc) by getting the shell to
> calculate them itself.
>
> All the methods I have currently found required a date command which
> recognises the -d switch. Unfortunately our doesn't.
>
> If I am unable to get the shell to do it then I'll have to write a
> small program in C or C++ which will open a can of worms with the
> supplier of the system.
>
> Any suggestions (clean ones please) will be gratefully received.
>
> regards,
>
> Robert W.Mills
> Business Systems Development Analyst
> Group Information Systems & Technology Pinnacle Entertainment
> DDI: +44 (0)20 8309 3604
>
>
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