It should be safe. All my mail servers run GMT to prevent log confusion (ie: It's a given that any log time is always GMT).
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Christian Weisgerber Sent: Tuesday, 31 May 2005 9:49 AM To: [email protected] Subject: Re: Getting Yesterday's Date (Repost due to error) Todd C. Miller <[EMAIL PROTECTED]> wrote: > In sh or ksh you could do: > date -r $(( `date +%s` - 86400 )) +%Y%m%d This can return unexpected results. $ export TZ=CET $ date -r $((1111963000 )) +%Y%m%d 20050328 $ date -r $((1111963000-86400)) +%Y%m%d 20050326 I don't think there is a reliable solution without something like FreeBSD's -v or GNU's -d extensions. -- Christian "naddy" Weisgerber [EMAIL PROTECTED]
