PRO dustem_set_params,params

;if empty description, do nothing
  ind=where(*(*!dustem_fit).param_descs EQ '',count)

IF count EQ n_elements(*(*!dustem_fit).param_descs) THEN goto,the_end

Nparams=n_elements(*(*!dustem_fit).param_descs)

dustem_set_func_ind,*(*!dustem_fit).param_descs,params

;SET THE PARAMETER VALUES IN DUSTEM INPUT FILES
FOR i=0L,Nparams-1 DO BEGIN
   IF (*(*!dustem_fit).param_func)(i) EQ 0 THEN BEGIN
     str=(*(*!dustem_fit).param_descs)(i)+'=params(i)'
     toto=execute(str)
     print,params(i)
     IF !dustem_verbose NE 0 THEN message,str,/info
   ENDIF ELSE BEGIN
     length=strlen((*(*!dustem_fit).param_descs)(i))
     strr=strmid((*(*!dustem_fit).param_descs)(i),14,length-16)
;     stop
     IF strr NE 'continuum' THEN BEGIN
       IF strr eq 'isrf2' then strr = 'isrf'
;       IF getenv('DUSTEM_WHICH') EQ 'VERSTRAETE' THEN BEGIN
       IF !dustem_which EQ 'VERSTRAETE' THEN BEGIN
;         ddir=GETENV('DUSTEM_DAT')+'les_DAT/'
         ddir=!dustem_dat+'les_DAT/'
       ENDIF ELSE BEGIN
;         ddir=GETENV('DUSTEM_DAT')
         ddir=!dustem_dat
       ENDELSE
;      JPB: Caution this line reads ISRF.DAT through an execute statement
       str='(*!dustem_params).'+strr+'=dustem_read_'+strr+'('+"'"+ddir+strupcase(strr)+'.DAT'+"'"+',/silent)'
       toto=execute(str)
       IF toto NE 1 then BEGIN
         message,'Could not execute ',str
       ENDIF
       IF !dustem_verbose NE 0 THEN message,str,/info
     ENDIF
  ENDELSE
ENDFOR
;print,'before dustem_write'
;stop
;dustem_write_all,*!dustem_params,getenv('DUSTEM_DAT')
dustem_write_all,*!dustem_params,!dustem_dat

the_end:

END