Example: CL command for deleting program objects

This example shows how to define and create a CL command that deletes program objects and source members.

You can create a command to delete high-level language (HLL) programs and their corresponding source members.

The command definition statements for the command named DPS are:


CMD PROMPT ('Delete Program and Source')
PARM KWD(PGM) TYPE(*NAME) LEN(10) PROMPT('Program Name')

The command processing program is written assuming that the name of the program and the source file member are the same. Additionally, you have to use the IBM-supplied source files of QCLSRC, QRPGSRC, and QCBLSRC. The program also assumes that both the program and the source file are on the library list. If you cannot open the program, the system sends an information message, and the command attempts to remove the source member. If the source member does not exist, the system sends an escape message. Here is the command processing program.

Note: By using the code example, you agree to the terms of the Code license and disclaimer information.


PGM PARM(&PGM)
DCL &PGM TYPE(*CHAR) LEN(10)
DCL &MSGID TYPE(*CHAR) LEN(7)
DCL &MSGDTA TYPE(*CHAR) LEN(80)
DCL &SRCFILE TYPE(*CHAR) LEN(10)
MONMSG MSGID(CPF0000) EXEC(GOTO ERROR) /* CATCH ALL */
DLTPGM &PGM
MONMSG MSGID(CPF2105) EXEC(DO) /* NOT FOUND*/
RCVMSG MSGTYPE(*EXCP) MSGID(&MSGID) MSGDTA(&MSGDTA)
SNDPGMMSG MSGID(&MSGID) MSGF(QCPFMSG) MSGTYPE(*INFO) +
      MSGDTA(&MSGDTA)
GOTO TRYCL  /* TRY TO DELETE SOURCE MEMBER */
ENDDO
RCVMSG MSGTYPE(*COMP) MSGID(&MSGID) MSGDTA(&MSGDTA)
    /* DELETE PROGRAM COMPLETED */
SNDPGMMSG MSGID(&MSGID) MSGF(QCPFMSG) MSGTYPE(*COMP) +
     MSGDTA(&MSGDTA) /* TRY IN QCLSRC */
TRYCL:   CHKOBJ QCLSRC OBJTYPE(*FILE) MBR(&PGM)
         MONMSG MSGID(CPF9815) EXEC(GOTO TRYRPG) /* NO CL MEMBER */
         RMVM QCLSRC MBR(&PGM)
         CHGVAR &SRCFILE 'QCLSRC'
         GOTO END
TRYRPG:   /* TRY IN QRPGSRC FILE */
         CHKOBJ QRPGSRC OBJTYPE(*FILE) MBR(&PGM)
         MONMSG MSGID(CPF9815) EXEC(GOTO TRYCBL) /* NO RPG MEMBER */
         RMVM QRPGSRC MBR(&PGM)
         CHGVAR &SRCFILE 'QRPGSRC'
         GOTO END
TRYCBL:   /* TRY IN QCBLSRC FILE */
         CHKOBJ QCBLSRC OBJTYPE(*FILE) MBR(&PGM)
         /* ON LAST SOURCE FILE LET CPF0000 OCCUR FOR A NOT FOUND +
         CONDITION */
         RMVM QCBLSRC MBR(&PGM)
         CHGVAR &SRCFILE 'QCBLSRC'
         GOTO END
TRYNXT:   /* INSERT ANY ADDITIONAL SOURCE FILES */
          /* ADD MONMSG AFTER CHKOBJ IN TRYCBL AS WAS +
            DONE IN TRYCL AND TRYRPG */
END:      RCVMSG MSGTYPE(*COMP) MSGID(&MSGID) MSGDTA(&MSGDTA)
               /*REMOVE MEMBER COMPLETED */
          SNDPGMMSG MSGID(&MSGID) MSGF(QCPFMSG) MSGTYPE(*COMP) +
             MSGDTA(&MSGDTA)
          RETURN
ERROR:    RCVMSG MSGTYPE(*EXCP) MSGID(&MSGID) MSGDTA(&MSGDTA)
              /* ESCAPE MESSAGE */
          SNDPGMMSG MSGID(&MSGID) MSGF(QCPFMSG) MSGTYPE(*ESCAPE) +
               MSGDTA(&MSGDTA)
          ENDPGM