COBOL Manual for TNS and TNS/R Programs

Using HP COBOL in the OSS Environment

HP COBOL Manual for TNS and TNS/R Programs—522555-006

19-17

OPEN Statement

The OPEN statement has this file-specification:

INPUT

specifies that the file or files in input-file-description are being opened for

reading only.

input-file-description

infile

is the file description file name of a file to open in INPUT mode, for read

operations only.

SHARED

allows other processes to read or write the file while this process is open.

SHARED is the default for terminals.

PROTECTED

allows other processes to read but not write the file while this process is open.

PROTECTED is the default for input files that are not terminals.

INPUT input-file-description

OUTPUT output-file-description

I-O i-o-file-description

EXTEND extend-file-description

VST187.vsd

infile

SHARED

PROTECTED

EXCLUSIVE

VST627.vsd