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C Copyright 1981-2007 ECMWF
C
C Licensed under the GNU Lesser General Public License which
C incorporates the terms and conditions of version 3 of the GNU
C General Public License.
C See LICENSE and gpl-3.0.txt for details.
C
SUBROUTINE NEXTGRP(KBUFL,YBUFF,I,J,KERR)
C
C**** *NEXTGRP*
C
C
C PURPOSE.
C --------
C LOCATE THE NEXT SEPARATOR
C CHARACTER WHICH IS NOT 'CR' OR 'LF' OR 'SPACE' OR '+'
C
C INPUT : KBUFL - size if ybuff
C YBUFF - character string
C I - SCAN STARTS AT byte 'I' OF YBUFF
C J - SCAN ENDS AT byte 'J' OF YBUFF
C
C OUTPUT : I - POSITION OF NEXT 'CR' OR 'LF' OR 'SPACE'
C OR '+'
C
C** INTERFACE.
C ----------
C
C *CALL* *NEXTGRP(KBUFL,YBUFF,I,J,KERR)*
C
C METHOD.
C -------
C
C NONE.
C
C
C EXTERNALS.
C ----------
C
C NONE.
C
C REFERENCE.
C ----------
C
C NONE.
C
C AUTHOR.
C -------
C
C
C
C MODIFICATIONS.
C --------------
C
C MILAN DRAGOSAVAC *ECMWF* 07/01/2004.
C
C
IMPLICIT LOGICAL(O,G), CHARACTER*8(C,H,Y)
C
CHARACTER*(*) YBUFF
CHARACTER*1 CR,LF,SPACE,PLUS,MINUS
C
COMMON /CREXWORK/ NBPT,NGS,NVIND,NBPTSEC2,RVIND,EPS,NE,IEOLD,
1 NC07YYY
REAL*8 RVIND, EPS
C
C ------------------------------------------------------------------
C
C* 1. SCAN BULLETIN.
C --------------
100 CONTINUE
C
C 'CR' = 13 , 'LF' = 10 , 'SPACE' = 32 'PLUS' = 43
C
KERR=0
cr=char(13)
lf=char(10)
space=char(32)
plus=char(43)
minus='-'
C
i=iabs(i)
k = i
do 101 i=k,j
if(NE.eq.0) then
if(ybuff(I:I).ne.cr.and.
1 ybuff(I:I).ne.lf.and.
2 ybuff(I:I).ne.space.and.
2 ybuff(I:I).ne.minus.and.
2 ybuff(I:I+2).ne.'E++'.and.
3 ybuff(I:I).ne.plus) return
else
if(ybuff(I:I).ne.cr.and.
1 ybuff(I:I).ne.lf.and.
2 ybuff(I:I).ne.space.and.
2 ybuff(I:I+2).ne.'E++'.and.
3 ybuff(I:I).ne.plus) return
end if
101 continue
C
RETURN
END
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