NAME: JDSELECT PURPOSE: Select Julian Day array subset by month or weekday. CATEGORY: CALLING SEQUENCE: jd_out = jdselect(jd_in, list) INPUTS: jd_in = Array of potential Julian Days. in list = Text array listing desired values. in KEYWORD PARAMETERS: Keywords: /MONTH means match months in list. /DAY means match weekdays in list. OUTPUTS: jd_out = Julian Days that match list. out COMMON BLOCKS: NOTES: Notes: list consists of either a text array of month or weekday names, at least 3 characters long. Ex: JD2=jdselect(JD1,/mon,['jan','apr','jul','oct']) MODIFICATION HISTORY: R. Sterner, 20 May, 1993 Copyright (C) 1993, Johns Hopkins University/Applied Physics Laboratory This software may be used, copied, or redistributed as long as it is not sold and this copyright notice is reproduced on each copy made. This routine is provided as is without any express or implied warranties whatsoever. Other limitations apply as described in the file disclaimer.txt.