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Re: IDL Time Zones? [message #14788] Tue, 30 March 1999 00:00
mallors is currently offline  mallors
Messages: 76
Registered: November 1997
Member
Looks to be fixed in IDL 5.2:

IDL> print, !version & print, systime(0) & spawn, 'date'
{ x86 linux unix 5.2 Oct 30 1998}
Mon Mar 29 18:11:50 1999
Mon Mar 29 18:11:50 CST 1999




In article <36FFDD97.2FF0589E@ssec.wisc.edu>,
Liam Gumley <Liam.Gumley@ssec.wisc.edu> writes:
> Craig Markwardt wrote:
>> It seems that the SYSTIME() function doesn't work always under IDL.
>> SYSTIME(0) is supposed to print the *local* time, but it doesn't under
>> my Linux system. Here are two examples.
>>
>> CORRECT EXAMPLE:
>> IDL> print, !version & print, systime(0) & spawn, 'date'
>> { alpha OSF unix 5.2 Oct 30 1998}
>> Sun Mar 28 17:58:13 1999
>> Sun Mar 28 17:58:14 EST 1999 ;; <----- OK, the times match here
>>
>> INCORRECT EXAMPLE:
>> IDL> print, !version & print, systime(0) & spawn, 'date'
>> { x86 linux unix 5.1 Apr 13 1998}
>> Mon Mar 29 02:15:11 1999 ;; <----- NO, this is GMT, not local!!!
>> Sun Mar 28 21:15:11 EST 1999
>
> I get the same behavior in Linux:
>
> IDL> print,!version & print,systime(0) & spawn,'date'
> { x86 linux unix 5.1 Apr 13 1998}
> Mon Mar 29 20:00:05 1999
> Mon Mar 29 14:00:06 CST 1999
>
> All my other platforms look ok:
>
> IDL> print,!version & print,systime(0) & spawn,'date'
> { mipseb IRIX unix 5.2 Oct 30 1998}
> Mon Mar 29 13:58:42 1999
> Mon Mar 29 13:58:42 CST 1999
>
> IDL> print,!version & print,systime(0) & spawn,'date'
> { sparc sunos unix 5.2 Oct 30 1998}
> Mon Mar 29 14:00:14 1999
> Mon Mar 29 14:00:14 CST 1999
>
> IDL> print,!version & print,systime(0) & spawn,'date'
> { mipseb IRIX unix 5.1 Apr 13 1998}
> Mon Mar 29 14:00:52 1999
> Mon Mar 29 14:00:52 CST 1999
>
> ---
> Liam E. Gumley
> Space Science and Engineering Center, UW-Madison
> http://cimss.ssec.wisc.edu/~gumley

--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
Robert S. Mallozzi 256-544-0887
Mail Code ES 84
Work: http://www.batse.msfc.nasa.gov/ Marshall Space Flight Center
Play: http://cspar.uah.edu/~mallozzir/ Huntsville, AL 35812
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
Re: IDL Time Zones? [message #14795 is a reply to message #14788] Mon, 29 March 1999 00:00 Go to previous message
Liam Gumley is currently offline  Liam Gumley
Messages: 473
Registered: November 1994
Senior Member
Craig Markwardt wrote:
> It seems that the SYSTIME() function doesn't work always under IDL.
> SYSTIME(0) is supposed to print the *local* time, but it doesn't under
> my Linux system. Here are two examples.
>
> CORRECT EXAMPLE:
> IDL> print, !version & print, systime(0) & spawn, 'date'
> { alpha OSF unix 5.2 Oct 30 1998}
> Sun Mar 28 17:58:13 1999
> Sun Mar 28 17:58:14 EST 1999 ;; <----- OK, the times match here
>
> INCORRECT EXAMPLE:
> IDL> print, !version & print, systime(0) & spawn, 'date'
> { x86 linux unix 5.1 Apr 13 1998}
> Mon Mar 29 02:15:11 1999 ;; <----- NO, this is GMT, not local!!!
> Sun Mar 28 21:15:11 EST 1999

I get the same behavior in Linux:

IDL> print,!version & print,systime(0) & spawn,'date'
{ x86 linux unix 5.1 Apr 13 1998}
Mon Mar 29 20:00:05 1999
Mon Mar 29 14:00:06 CST 1999

All my other platforms look ok:

IDL> print,!version & print,systime(0) & spawn,'date'
{ mipseb IRIX unix 5.2 Oct 30 1998}
Mon Mar 29 13:58:42 1999
Mon Mar 29 13:58:42 CST 1999

IDL> print,!version & print,systime(0) & spawn,'date'
{ sparc sunos unix 5.2 Oct 30 1998}
Mon Mar 29 14:00:14 1999
Mon Mar 29 14:00:14 CST 1999

IDL> print,!version & print,systime(0) & spawn,'date'
{ mipseb IRIX unix 5.1 Apr 13 1998}
Mon Mar 29 14:00:52 1999
Mon Mar 29 14:00:52 CST 1999

---
Liam E. Gumley
Space Science and Engineering Center, UW-Madison
http://cimss.ssec.wisc.edu/~gumley
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