t; > To: redhat
> > Subject: Re: bash date math
> >
> >
> > On Thu, Jul 31, 2003 at 09:45:55AM -0500, rick henderson wrote:
> > > In a bash script, I need to know the previous day.
> > >
> > > if 03012003 then 02282003
> > > if 050120
> -Original Message-
> From: Hal Burgiss [mailto:[EMAIL PROTECTED]
> Sent: Thursday, July 31, 2003 10:50 AM
> To: redhat
> Subject: Re: bash date math
>
>
> On Thu, Jul 31, 2003 at 09:45:55AM -0500, rick henderson wrote:
> > In a bash script, I
> > In a bash script, I need to know the previous day.
> >
> > if 03012003 then 02282003
> > if 05012003 then 04302003
> > if 08012003 then 07312003
> >
> > using date, I can get todays date. But I need date math.
>
> $ date -d "-1 day"
> Wed Jul 30 10:48:46 EDT 2003
>
or
$ date -d yesterday
or
On Thu, Jul 31, 2003 at 09:45:55AM -0500, rick henderson wrote:
> In a bash script, I need to know the previous day.
>
> if 03012003 then 02282003
> if 05012003 then 04302003
> if 08012003 then 07312003
>
> using date, I can get todays date. But I need date math.
$ date -d "-1 day"
Wed Jul 30 1
Dear list,
In a bash script, I need to know the previous day.
if 03012003 then 02282003
if 05012003 then 04302003
if 08012003 then 07312003
using date, I can get todays date. But I need date math.
any suggestions on how to do this?
Rick
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