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66 lines
1.8 KiB
66 lines
1.8 KiB
2 years ago
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C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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C=======================================================================
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SUBROUTINE SQZSTR (STRING, LSTR)
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C=======================================================================
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C --*** SQZSTR *** (STRLIB) Remove extra blanks from string
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C -- Written by Amy Gilkey - revised 06/02/87
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C --
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C --SQZSTR deletes leading and extra blanks within a string.
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C --To prevent problems, an empty string is returned with a length of 1.
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C --
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C --Parameters:
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C -- STRING - IN/OUT - the string to be compressed, returned, may be
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C -- up to 1024 characters long
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C -- LSTR - OUT - the new string length
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C --Routines Called:
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C -- LENSTR - (STRLIB) Find string length
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CHARACTER*(*) STRING
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INTEGER LSTR
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PARAMETER (MXSTR = 1024)
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CHARACTER*(MXSTR) TMPSTR
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LSTR = 1
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IF (STRING .EQ. ' ') RETURN
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LSTR = LENSTR (STRING)
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if (lstr .gt. MXSTR) then
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call prterr ('PROGRAM', 'String is too long in SQZSTR')
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return
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end if
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IBLK = INDEX (STRING, ' ')
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100 CONTINUE
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IF ((IBLK .GT. 0) .AND. (IBLK .LE. LSTR)) THEN
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INOBLK = IBLK + 2
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110 CONTINUE
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IF (STRING(INOBLK:INOBLK) .EQ. ' ') THEN
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INOBLK = INOBLK + 1
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GOTO 110
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END IF
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TMPSTR = STRING(INOBLK:LSTR)
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STRING(IBLK+1:LSTR) = TMPSTR
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LSTR = LSTR - (INOBLK-IBLK-1)
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IBLK = INDEX (STRING, ' ')
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GOTO 100
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END IF
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IF (STRING(1:1) .EQ. ' ') THEN
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TMPSTR = STRING(2:LSTR)
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STRING(1:LSTR) = TMPSTR
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LSTR = LSTR - 1
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END IF
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RETURN
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END
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