| 1 | SUBROUTINE ctlopn ( knum, cdfile, cdstat, cdform, cdacce, & |
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| 2 | klengh, kout, ldwp, krequ ) |
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| 3 | !!---------------------------------------------------------------------- |
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| 4 | !! *** ROUTINE ctlopn *** |
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| 5 | !! |
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| 6 | !! ** Purpose : Open file and check if required file is available. |
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| 7 | !! |
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| 8 | !! ** Method : Fortan open |
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| 9 | !! |
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| 10 | !! History : |
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| 11 | !! ! 95-12 (G. Madec) Original code |
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| 12 | !! 8.5 ! 02-06 (G. Madec) F90: Free form and module |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | IMPLICIT NONE |
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| 15 | |
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| 16 | INTEGER, INTENT( in ) :: & |
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| 17 | knum, & ! logical unit to open |
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| 18 | krequ, & ! =1 file required (stop if not exist) |
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| 19 | ! ! =0 file not required (create the file if does not exist) |
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| 20 | kout, & ! number of logical units for write |
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| 21 | klengh ! record length |
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| 22 | |
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| 23 | INTEGER :: iost |
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| 24 | CHARACTER (len=* ), INTENT( in ) :: & |
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| 25 | cdacce, & ! access specifier |
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| 26 | cdform, & ! formatting specifier |
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| 27 | cdstat ! disposition specifier |
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| 28 | CHARACTER (len=* ), INTENT( in ) :: & |
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| 29 | cdfile ! file name to open |
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| 30 | |
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| 31 | LOGICAL :: ldwp ! boolean term for print |
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| 32 | !!---------------------------------------------------------------------- |
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| 33 | !! OPA 8.5, LODYC-IPSL (2002) |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | |
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| 36 | |
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| 37 | ! 1. Required file |
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| 38 | ! ---------------- |
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| 39 | |
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| 40 | IF( krequ == 1 ) THEN |
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| 41 | |
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| 42 | iost=0 |
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| 43 | IF( cdacce(1:6) == 'DIRECT' ) THEN |
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| 44 | OPEN( UNIT=knum, FILE=cdfile, FORM=cdform, ACCESS=cdacce, & |
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| 45 | STATUS=cdstat, RECL=klengh, ERR=100, IOSTAT=iost ) |
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| 46 | ELSE |
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| 47 | OPEN( UNIT=knum, FILE=cdfile, FORM=cdform, ACCESS=cdacce, & |
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| 48 | STATUS=cdstat, ERR=100, IOSTAT=iost) |
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| 49 | ENDIF |
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| 50 | IF( iost == 0 ) THEN |
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| 51 | IF(ldwp) THEN |
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| 52 | WRITE(kout,*) ' file : ', cdfile,' open ok' |
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| 53 | WRITE(kout,*) ' unit = ', knum |
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| 54 | WRITE(kout,*) ' status = ', cdstat |
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| 55 | WRITE(kout,*) ' form = ', cdform |
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| 56 | WRITE(kout,*) ' access = ', cdacce |
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| 57 | WRITE(kout,*) |
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| 58 | ENDIF |
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| 59 | ENDIF |
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| 60 | 100 CONTINUE |
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| 61 | IF( iost /= 0 ) THEN |
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| 62 | IF(ldwp) THEN |
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| 63 | WRITE(kout,*) |
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| 64 | WRITE(kout,*) ' ===>>>> : bad opening file: ', cdfile |
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| 65 | WRITE(kout,*) ' ======= === ' |
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| 66 | WRITE(kout,*) ' unit = ', knum |
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| 67 | WRITE(kout,*) ' status = ', cdstat |
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| 68 | WRITE(kout,*) ' form = ', cdform |
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| 69 | WRITE(kout,*) ' access = ', cdacce |
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| 70 | WRITE(kout,*) ' iostat = ', iost |
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| 71 | WRITE(kout,*) ' we stop. verify the file ' |
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| 72 | WRITE(kout,*) |
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| 73 | ENDIF |
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| 74 | STOP 'ctlopn bad opening' |
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| 75 | ENDIF |
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| 76 | |
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| 77 | |
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| 78 | ! 2. Not required, file create if not exist |
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| 79 | ! ----------------------------------------- |
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| 80 | |
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| 81 | ELSEIF( krequ == 0 ) THEN |
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| 82 | |
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| 83 | iost = 0 |
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| 84 | IF( cdacce(1:6) == 'DIRECT' ) THEN |
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| 85 | OPEN( UNIT=knum, FILE=cdfile, FORM=cdform, ACCESS=cdacce, & |
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| 86 | STATUS=cdstat, RECL=klengh, ERR=200, IOSTAT=iost ) |
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| 87 | ELSE |
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| 88 | OPEN( UNIT=knum, FILE=cdfile, FORM=cdform, ACCESS=cdacce, & |
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| 89 | STATUS=cdstat, ERR=200, IOSTAT=iost ) |
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| 90 | ENDIF |
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| 91 | IF(iost == 0) THEN |
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| 92 | IF(ldwp) THEN |
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| 93 | WRITE(kout,*) ' file : ', cdfile,' open ok' |
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| 94 | WRITE(kout,*) ' unit = ', knum |
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| 95 | WRITE(kout,*) ' status = ', cdstat |
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| 96 | WRITE(kout,*) ' form = ', cdform |
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| 97 | WRITE(kout,*) ' access = ', cdacce |
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| 98 | WRITE(kout,*) |
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| 99 | ENDIF |
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| 100 | ENDIF |
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| 101 | 200 CONTINUE |
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| 102 | IF( iost /= 0 ) THEN |
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| 103 | iost = 0 |
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| 104 | IF(ldwp) THEN |
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| 105 | WRITE(kout,*) |
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| 106 | WRITE(kout,*) ' ===>>>> : file ', cdfile, & |
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| 107 | ' does not exist: it is created' |
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| 108 | WRITE(kout,*) ' ======= === ' |
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| 109 | ENDIF |
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| 110 | IF( cdacce(1:6) == 'DIRECT' ) THEN |
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| 111 | OPEN( UNIT=knum, FILE=cdfile, FORM=cdform, & |
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| 112 | ACCESS=cdacce, STATUS=cdstat, & |
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| 113 | RECL=klengh, ERR=210, IOSTAT=iost ) |
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| 114 | ELSE |
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| 115 | OPEN( UNIT=knum, FILE=cdfile, FORM=cdform, & |
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| 116 | ACCESS=cdacce, STATUS=cdstat, ERR=210, & |
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| 117 | IOSTAT=iost ) |
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| 118 | ENDIF |
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| 119 | IF(ldwp) THEN |
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| 120 | WRITE(kout,*) ' file : ', cdfile,' open ok' |
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| 121 | WRITE(kout,*) ' unit = ', knum |
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| 122 | WRITE(kout,*) ' status = ', cdstat |
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| 123 | WRITE(kout,*) ' form = ', cdform |
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| 124 | WRITE(kout,*) ' access = ', cdacce |
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| 125 | WRITE(kout,*) |
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| 126 | ENDIF |
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| 127 | 210 CONTINUE |
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| 128 | IF( iost /= 0 ) THEN |
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| 129 | IF(ldwp) THEN |
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| 130 | WRITE(kout,*) ' logical unit ',knum,' iostat = ', iost |
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| 131 | WRITE(kout,*) ' we stop. verify the file ', cdfile |
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| 132 | WRITE(kout,*) |
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| 133 | ENDIF |
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| 134 | STOP '001' |
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| 135 | ENDIF |
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| 136 | ENDIF |
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| 137 | |
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| 138 | ELSE |
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| 139 | |
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| 140 | IF(ldwp) THEN |
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| 141 | WRITE(kout,*) |
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| 142 | WRITE(kout,*) ' ctlopn : invalid option, krequ = ', krequ |
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| 143 | WRITE(kout,*) ' ~~~~~~ call for file ', cdfile |
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| 144 | WRITE(kout,*) |
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| 145 | ENDIF |
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| 146 | |
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| 147 | |
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| 148 | STOP 'ctlopn invalid option' |
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| 149 | ENDIF |
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| 150 | |
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| 151 | END SUBROUTINE ctlopn |
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