COBOL Manual for TNS/E Programs (H06.03+)

Using HP COBOL in the OSS Environment
HP COBOL Manual for TNS/E Programs—520347-003
19-17
OPEN Statement
SHARED
PROTECTED
EXCLUSIVE
are the same as described earlier for infile.
I-O
specifies that the file or files in i-o-file-description are being opened for
reading and writing.
i-o-file-description
iofile
is the file description file name of a file to open in I-O mode, for both read and
write operations.
SHARED
PROTECTED
EXCLUSIVE
are the same as described earlier for infile.
EXTEND
specifies that the file or files in extend-file-description are being opened
for writing additional data following any existing data.
extend-file-description
iofile
SHARED
PROTECTED
EXCLUSIVE
VST626.vsd
extfile
SHARED
PROTECTED
EXCLUSIVE
VST629.vsd