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NX Nastran DMAP Programmer's Guide - Kxcad.net

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FORTIO Opens or closes a FORTRAN file<br />

Opens or closes a FORTRAN file.<br />

Format:<br />

FORTIO //OPERATN/UNITNO/CLOSEOPT/IOSTAT $<br />

Input Data Blocks:<br />

None.<br />

Output Data Blocks:<br />

None.<br />

Parameters:<br />

OPERATN Input-character-no default. FORTIO operation.<br />

'EXISTS'Check for assigned physical file existence<br />

'OPEN'Open file<br />

'CLOSE'Close file<br />

UNITNO Input-integer-no default. Specifies FORTRAN unit number.<br />

CLOSEOPT Input-integer-default=2. FORTIO close options.<br />

1 Rewind (leaves file open, if open)<br />

2 Close/keep (default)<br />

3 Close/delete<br />

IOSTAT Output-integer-no default. FORTIO status return code.<br />

For OPERATN='OPEN' or 'CLOSE':<br />

0 Successful<br />

1 Unsuccessful<br />

For OPERATN='EXISTS':<br />

0 Assigned physical file exists<br />

1 Assigned physical file does not exist<br />

FORTIO<br />

Opens or closes a FORTRAN file<br />

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