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Re: Parsing dates (ARGH!) [message #39455]

Mon, 17 May 2004 10:49

Chris[1]
Messages: 23
Registered: January 2003

Junior Member

The format you have supplied (the "C()" format) returns a Julian date as a
floating point number (use double precision). Then use the caldat procedure
to transfer this to numeric values for year, month,day, etc. i.e
IDL> x = 0d0
IDL>reads, a, x, format=sql_fmt
IDL>caldat,x,month,day,year,hour,minute,second

Chris

"Jamie Smyth" <jamiesmyth_uni@yahoo.ca> wrote in message
news:120533fa.0405170849.31c48ec6@posting.google.com...
> Can someone please explain how I can parse the year, month, day, hour,
> minute, and seconds from a timestamp such as '2004-01-01
> 01:22:15.1234'
>
> IDL> print, a
> 2004-01-01 00:10:22
> IDL> print, size(a, /tname)
> STRING
> IDL> sql_fmt = "(C(CYI4, X, CMoI2.2, X, CDI2.2, X, CHI2.2, X," + $
> IDL> " CMI2.2, X, CSF7.4))"
> IDL> reads, a, year, format=sql_fmt
> IDL> help, year
> YEAR INT = 28173
> IDL> reads, a, year, month, date, hour, minute, seconds,
> format=sql_fmt
> % READS: End of input data encountered: A
> % Execution halted at: $MAIN$
>
> Thanks, I've blown most of the morning on this...

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[Message index]

		Re: Parsing dates (ARGH!) By: Chris[1] on Mon, 17 May 2004 10:49
		Re: Parsing dates (ARGH!) By: Rick Towler on Mon, 17 May 2004 10:41
		Re: Parsing dates (ARGH!) By: btt on Mon, 17 May 2004 10:27

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