You can invoke any of the command-line interface options from within a COBOL program by executing the following code. Other
programming languages, such as C, can be used to invoke the command line as well.
IDENTIFICATION DIVISION.
PROGRAM-ID. TESTCLIX.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. IBM-PC.
OBJECT-COMPUTER. IBM-PC.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 RESULT PIC X COMP-X.
01 FUNC PIC X COMP-X VALUE 35.
01 COMMAND.
05 LEN PIC X COMP-X VALUE 10.
05 PGM PIC X(10) VALUE 'MFDAS.EXE'.
PROCEDURE DIVISION.
DISPLAY "DIR PDS CSI01.JPD.CNTL" UPON COMMAND-LINE
CALL X'91' USING RESULT FUNC COMMAND
IF RESULT = 0
*> EXECUTE SUCCESSFUL CODE HERE
END-IF
On return,
Drag and DropMFDAS command line sets the COBOL RESULT variable. The following return-codes are produced:
- 00
- Successful call
- 01
- An error was returned from MFLSC
- 14
- The program MFLSC is missing
- 15
- Call to DFCONV failed
- 48
- The mainframe member is locked by another user
- 49
- A mainframe ABEND occurred
- 50
- A dynamic allocation error occurred when accessing a data set
- 51
- An open error occurred on the mainframe
- 52
- An invalid request for a valid function was detected
- 53
- An I/O error has occurred on a mainframe data set
- 54
- An invalid sub-code was given to the mainframe
- 55
- A load error on a program on the mainframe was detected
- 56
- A length error, at a record level, has been detected
- 57
- A general security error has been detected
- 58
- A hash code mismatch has been detected
- 59
- The remote execution failed
- 60
- The JES spool file is not an output file
- 61
- The JES spool file is not a held output file
- 100
- Syntax error in call
- 125
- Too many concurrent users are active
- 139
- The record length was too large
- 218
- The DCB is not supported. This is usually caused by trying to use RECFM=U
- 219
- The mainframe load libraries are not APF authorized
- 220-241
- Various SAF security return codes
- 242
- The component in use has not been activated on the mainframe
- 243
- Unable to write the specified file to the workstation
- 244
- Unable to read the specified file from the workstation
- 245
- The catalog search detected an error
- 246
- The catalog search did not yield any results
- 247
- The /F MFENDDRV* statement was not in FHREDIR.CFG
- 248
- The /F MFLSCDRV* statement was not in FHREDIR.CFG
- 249
- The file FHREDIR.CFG could not be located
- 250
- A communications failure occurred
- 251
- The file did not have a positive length
- 252
- An invalid mask was given
- 253
- The local access mask was not specified
- 254
- The local access mode was not set
- 255
- Invalid function was requested