ATTACH - open existing file.
(obsolete - Use OPEN)
Usage:
call attach(lgu,catfil,iprmis,mode,istat,buffer)
Where:
- lgu
- is an integer variable or constant and is the usual F77
unit reference.
- catfil
- is a character expression which is the catalog/file
descriptor containing the catalog/file string and must be
terminated by a semicolon. Embedded blanks are ignored.
- iprmis
- is an integer expression that gives the desired
permission which is OR'd with any permission in catfil.
- 1
- access for read
- 2
- access for write
- 3
- access for read and write
- mode
- is an integer expression
- 0
- access file as defined
- 1
- access file as random
- 2
- open the terminal
- istat
- is an integer variable where there status is returned.
The status is either the first FMS status word or:
- 0
- success
- 1
- "lgu" already open.
- 2
- attempt to access terminal in batch
- 3
- denied because of insufficient memory
- 4
- file name all blanks
- buffer
- is an array of 380 words to be used by FMS. It may be a
null argument, in which case ATTACH will dynamically
allocate the space.
Description:
ATTACH opens an existing permfile. This subroutine is obsolete
and can better be done with an OPEN statement within the F77
program.
Copyright © 1996, Thinkage Ltd.