/usr/share/gnudatalanguage/coyote/cgtimestamp.pro is in gdl-coyote 2016.11.13-2.
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;
; NAME:
; cgTimeStamp
;
; PURPOSE:
; This is a utility program to obtain a time stamp string suitable
; for using in a filename or some other string.
;
;******************************************************************************************;
; ;
; Copyright (c) 2013, by Fanning Software Consulting, Inc. All rights reserved. ;
; ;
; Redistribution and use in source and binary forms, with or without ;
; modification, are permitted provided that the following conditions are met: ;
; ;
; * Redistributions of source code must retain the above copyright ;
; notice, this list of conditions and the following disclaimer. ;
; * Redistributions in binary form must reproduce the above copyright ;
; notice, this list of conditions and the following disclaimer in the ;
; documentation and/or other materials provided with the distribution. ;
; * Neither the name of Fanning Software Consulting, Inc. nor the names of its ;
; contributors may be used to endorse or promote products derived from this ;
; software without specific prior written permission. ;
; ;
; THIS SOFTWARE IS PROVIDED BY FANNING SOFTWARE CONSULTING, INC. ''AS IS'' AND ANY ;
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ;
; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT ;
; SHALL FANNING SOFTWARE CONSULTING, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, ;
; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED ;
; TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; ;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ;
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ;
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ;
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ;
;******************************************************************************************;
;
;+
; This is a utility program to obtain a time stamp string suitable
; for using in a filename or some other string.
;
; :Categories:
; Utilities
;
; :Returns:
; A string variable containing the time stamp is returned from the function.
;
; :Params:
; format: in, optional, type=integer, default=0
; An integer value that selects the time stamp format. Default is 0. Possible values are::
; 0: _sun_feb_07_10:56:37_2010
; 1: _Sun_Feb_07_10:56:37_2010
; 2: _07_02_2010_10:56:37
; 3: _07022010_10:56:37
; 4: _07022010
; 5: _07Feb2010_10:56:37
; 6: _07feb2010_10:56:37
; 7: _07FEB2010_10:56:37
; 8: _02_07_2010_10:56:37
; 9: _02072010_10:56:37
; 10: _02072010
; 11: _20100207@10:56:37
;
; :Keywords:
; no_prefix: in, optional, type=boolean, default=0
; Set this keyword to remove the underscore prefix normally present at the start of the time stamp.
; random_digits: in, optional, type=integer
; Set this keyword to the number of random digits you would like to append to the time stamp.
; utc: in, optional, type=boolean, default=0
; Set this keyword to use UTC time in the time stamp, rather than the local time.
; valid: in, optional, type=boolean, default=0
; If this keyword is set, the time stamp is passed through the IDL program IDL_VALIDNAME, and
; all characters that are not allowed in IDL variable names are replaced by ones that are allowed.
; In other words, a character like ":", which is not allowed, is turned into the character "_", which
; is allowed.
;
; :Examples:
; Here is how to use this program::
; IDL> filename = 'mydatafile' + cgTimeStamp() + '.dat'
;
; :Author:
; FANNING SOFTWARE CONSULTING::
; David W. Fanning
; 1645 Sheely Drive
; Fort Collins, CO 80526 USA
; Phone: 970-221-0438
; E-mail: david@idlcoyote.com
; Coyote's Guide to IDL Programming: http://www.idlcoyote.com
;
; :History:
; Change History::
; Written by David W. Fanning, 7 February 2010.
; Added format number 11: YYYYMMDD@HH:MM:SS so that when files are created they
; will list in descending time order. Matt Savoie suggestion. DWF. 10 Sept 2010.
; Added NO_PREFIX keyword that, if set, will prevent an underscore character from being
; added to the time stamp. 10 Sept 2010. DWF.
; Discovered that Windows and UNIX computers report the UTC time differently, resulting
; in the day string being a one digit integer on UNIX and a two digit integer on
; Windows. Fixed so the day string is always forced to be two digits. 8 October 2010.
; Renamed from TimeStamp to cgTimeStamp to avoid conflict with IDL's own TimeStamp function
; introduced in IDL 8.2.2. 6 February 2013. DWF.
;
; :Copyright:
; Copyright (c) 2010-2013, Fanning Software Consulting, Inc.
;-
FUNCTION cgTimeStamp, format, $
No_Prefix=no_prefix, $
Random_Digits=random_digits, $
UTC=utc, $
Valid=valid
On_Error, 2
; Set keyword values.
no_prefix = Keyword_Set(no_prefix)
IF N_Elements(format) EQ 0 THEN format = 0
IF N_Elements(random_digits) GT 0 THEN BEGIN
DEFSYSV, '!FSC_RandomNumbers', EXISTS=exists
IF exists THEN BEGIN
randomNumber = !FSC_RandomNumbers -> GetRandomDigits(random_digits)
ENDIF ELSE BEGIN
DEFSYSV, '!FSC_RandomNumbers', Obj_New('RandomNumberGenerator')
randomNumber = !FSC_RandomNumbers -> GetRandomDigits(random_digits)
ENDELSE
ENDIF
; Get some values for the current time.
time = Systime(UTC=Keyword_Set(utc))
day = Strmid(time, 0, 3)
date = String(StrMid(time, 8, 2), Format='(I2.2)') ; Required because UNIX and Windows differ in time format.
month = Strmid(time, 4, 3)
year = Strmid(time, 20, 4)
stamp = Strmid(time, 11, 8)
months = ['JAN', 'FEB', 'MAR', 'APR', 'MAY', 'JUN', 'JUL', 'AUG', 'SEP', 'OCT', 'NOV', 'DEC']
m = (Where(months EQ StrUpCase(month))) + 1
; Select the time stamp format.
CASE format OF
1: timeStamp = day + '_' +month + '_' + date + '_' + stamp + '_' + year
2: timestamp = date + '_' + String(m, FORMAT='(I2.2)') + '_' + year + '_' + stamp
3: timestamp = date + String(m, FORMAT='(I2.2)') + year + '_' + stamp
4: timestamp = date + String(m, FORMAT='(I2.2)') + year
5: timestamp = date + cgMonths(m, /ABBREVIATION) + year + '_' + stamp
6: timestamp = date + cgMonths(m, /ABBREVIATION, /LOWCASE) + year + '_' + stamp
7: timestamp = date + cgMonths(m, /ABBREVIATION, /ALLCAPS) + year + '_' + stamp
8: timestamp = String(m, FORMAT='(I2.2)') + '_' + date + '_' + year + '_' + stamp
9: timestamp = String(m, FORMAT='(I2.2)') + date + year + '_' + stamp
10: timestamp = String(m, FORMAT='(I2.2)') + date + year
11: timestamp = year + String(m, FORMAT='(I2.2)') + date + '@' + stamp
ELSE: timeStamp = StrLowCase(day) + '_' + StrLowCase(month) + '_' + date + '_' + stamp + '_' + year
ENDCASE
; Add an first-letter underscore, unless the user explicitly asked not to.
IF ~no_prefix THEN BEGIN
timestamp = '_' + timestamp
ENDIF
; Convert to a valid string, if required.
IF Keyword_Set(valid) THEN timestamp = IDL_Validname(timeStamp, /CONVERT_ALL)
; Add the random numbers, if required.
IF N_Elements(randomNumber) NE 0 THEN BEGIN
timeStamp = timeStamp + '_' + randomNumber
ENDIF
RETURN, timeStamp
END
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