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Re: get_date returning false


From: Mark D. Baushke
Subject: Re: get_date returning false
Date: Fri, 15 Apr 2005 08:34:38 -0700

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Derek Price <address@hidden> writes:

> Mark D. Baushke wrote:
> 
> > address@hidden mdb]$ export TZ=Asia/Calcutta address@hidden mdb]$ date Fri 
> > Apr
> > 15 07:01:59 2005
> 
> 
> ...
> 
> > address@hidden mdb]$ TZ=Pacific/Honolulu date Fri Apr 15 07:07:12
> > 2005 address@hidden mdb]$
> >
> > That said, I doubt if this will be a big problem given that CRAY
> > doesn't yet support client/server as I have only been able to get
> > :local: to work on it.
> 
> 
> Hrm.  Does the Cray exhibit similar behavior to the following for
> unrecognized time zones?  The POSIX spec doesn't really seem to specify...
> 
>     address@hidden ccvs-merge]$ date +%Z
>     EDT
>     address@hidden ccvs-merge]$ TZ=Asia/Calcutta date +%Z
>     IST
>     address@hidden ccvs-merge]$ TZ=Asia/Garbage date +%Z
>     Asia/Garbage
>     address@hidden ccvs-merge]$
> 
> 
> I could write a simple test and skip the TZ dependent tests when
> `TZ=REGION/CITY date +%Z` = "REGION/CITY".

address@hidden mdb]$ date +%Z
MET
address@hidden mdb]$ TZ=Asia/Calcutta date +%Z
   
address@hidden mdb]$ TZ=Asia/Garbage date +%Z
   
address@hidden mdb]$ AAA=`TZ=Asia/Garbage date +%Z`;echo "'$AAA'"
'   '
address@hidden mdb]$ AAA=`TZ=Asia/Calcutta date +%Z` ; echo "'$AAA'"
'   '
address@hidden mdb]$ AAA=`TZ=Asia/Calcutta date +%Z` ; echo "'$AAA'" > i
address@hidden mdb]$ od i
0000000000000 023440 020040 023412
0000000000006
address@hidden mdb]$ AAA=`TZ=Asia/Garbage date +%Z`; echo "'$AAA'" > i
address@hidden mdb]$ od i
0000000000000 023440 020040 023412
0000000000006
address@hidden mdb]$ AAA=`date +%Z`; echo "'$AAA'" > i
address@hidden mdb]$ od i
0000000000000 023515 042524 023412
0000000000006
address@hidden mdb]$ cat i
'MET'
address@hidden mdb]$ uname -a
sn5176 sn5176 9.0.2.2 sin.0 CRAY Y-MP
address@hidden mdb]$ 

So, for unrecognized zones, three spaces are produced for the timezone
on the CRAY Y-MP system.

        -- Mark
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