The number of matches that were found The function returns an index array similar to the result of the WHERE function

find position of string "a" in the string "abcabcabc" IDL> ind = strwhere('abcabcabc','a') IDL> print, ind [ 0, 3, 6 ]

$Id: strwhere.pro 378 2008-08-12 12:35:46Z pinsard $ Copyright (C) 1998, Martin Schultz, Harvard University This software is provided as is without any warranty whatsoever. It may be freely used, copied or distributed for non-commercial purposes. This copyright notice must be kept with any copy of this software. If this software shall be used commercially or sold as part of a larger package, please contact the author to arrange payment. Bugs and comments should be directed to mgs@io.harvard.edu with subject "IDL routine strwhere"

mgs, 02 Jun 1998: VERSION 1.00 bmy, 30 Jun 1998: - now returns COUNT, the number of matches that are found (this is analogous to the WHERE command)