MFENVARS - The COBOL Source Code
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Setting the Environment MFENVARS - The COBOL Source Code http://www.simotime.com |
| When technology complements business | Copyright © 1987-2010 SimoTime Enterprises All Rights Reserved |
This document provides a listing of the COBOL source code for viewing. Additional information about this program may be obtained by sending an e-mail to: helpdesk@simotime.com
The MFENVARS routine (or callable program) will provide the capability of getting or setting and environment variable to a 256-byte value for use in a Micro Focus environment.
The following will set an environment variable named "FILENAME" to the value specified in ENV-VAR-VALUE
MOVE 'FILENAME' to ENV-VAR-NAME
MOVE 'C:\MYDIR\MYFILE.DAT ' to ENV-VAR-VALUE
MOVE 'SET' to ENV-VAR-REQUEST
CALL 'MFENVARS' using ENV-VAR-PASSAREA
The following will get and environment variable called "FILENAME" and the value will be p/aced in ENV-VAR-VALUE. If the environment variable is missing then ENV-VAR-VALUE will be set to SPACES.
MOVE 'FILENAME' to ENV-VAR-NAME
MOVE 'GET' to ENV-VAR-REQUEST
CALL 'MFENVARS' using ENV-VAR-PASSAREA
A copy file is provided to define the pass area to be used when calling MFENVARS. The following statement is required in the WORKING STORAGE section of the calling program.
COPY PAENVARS.
The following (MFENVARS.CBL) is the COBOL Source Code.
IDENTIFICATION DIVISION.
PROGRAM-ID. MFENVARS.
AUTHOR. SIMOTIME ENTERPRISES.
*****************************************************************
* Copyright (C) 1994-2010 SimoTime Enterprises, LLC. *
* *
* All rights reserved. Unpublished, all rights reserved under *
* copyright law and international treaty. Use of a copyright *
* notice is precautionary only does not imply publication or *
* disclosure. This software contains confidential information *
* and trade secrets of SimoTime Enterprises, LLC. No part of *
* this program or publication may be reproduced, transmitted, *
* transcribed, stored in a retrieval system, or translated into *
* any language or computer language, in any form or by any *
* means, electronic, mechanical, magnetic, optical, chemical, *
* manual or otherwise, without the prior written permission of: *
* *
* SimoTime Enterprises *
* 15 Carnoustie Drive *
* Novato, CA 94949-5849 *
* 415.883.6565 *
* *
* RESTRICTED RIGHTS LEGEND *
* Use, duplication, or disclosure by the Government is subject *
* to restrictions as set forth in subparagraph (c)(1)(ii) of *
* the Rights in Technical Data and Computer Software clause at *
* DFARS 52.227-7013 or subparagraphs (c)(1) and (2) of *
* Commercial Computer Software - Restricted Rights at 48 *
* CFR 52.227-19, as applicable. Contact SimoTime Enterprises, *
* 15 Carnoustie Drive, Novato, CA 94949-5849. *
* *
*****************************************************************
* This program is provided by SimoTime Enterprises *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
* *
*****************************************************************
*
* MAINTENANCE
* -----------
* 1989/02/27 Simmons, Created program.
*
*****************************************************************
* Source Member: MFENVARS.CBL
* Copy Files: None
* Calls to: None
*****************************************************************
* This program will use an environment variable to map the file
* name on the SELECT statement to a fully qualified PC file name.
* To do this mapping this program must be compiled with the
* assign(EXTERNAL) directive.
* The program will read the file and display the records to the
* screen. If this program is compiled with the sequential(LINE)
* directive then the input file may be an ASCII/Text file.
*
ENVIRONMENT DIVISION.
WORKING-STORAGE SECTION.
*****************************************************************
* Data-structure for Title and Copyright...
* ------------------------------------------------------------
01 SIM-TITLE.
05 T1 pic X(11) value '* MFENVARS '.
05 T2 pic X(34) value 'Get an Environment Variable Value '.
05 T3 pic X(10) value ' v09.09.13'.
05 T4 pic X(24) value ' http://www.simotime.com'.
01 SIM-COPYRIGHT.
05 C1 pic X(11) value '* MFENVARS '.
05 C2 pic X(20) value 'Copyright 1987-2010 '.
05 C3 pic X(28) value ' SimoTime Enterprises, LLC '.
05 C4 pic X(20) value ' All Rights Reserved'.
01 SIM-THANKS-01.
05 C1 pic X(11) value '* MFENVARS '.
05 C2 pic X(32) value 'Thank you for using this sample '.
05 C3 pic X(32) value 'by SimoTime Enterprises, LLC '.
05 C4 pic X(04) value ' '.
01 SIM-THANKS-02.
05 C1 pic X(11) value '* MFENVARS '.
05 C2 pic X(32) value 'Please send comments or suggesti'.
05 C3 pic X(32) value 'ons to helpdesk@simotime.com '.
05 C4 pic X(04) value ' '.
*****************************************************************
* Buffer used for posting messages to the console.
* ------------------------------------------------------------
01 MESSAGE-BUFFER.
05 MESSAGE-HEADER pic X(11) value '* MFENVARS '.
05 MESSAGE-TEXT pic X(68).
*****************************************************************
LINKAGE SECTION.
COPY PAENVARS.
*****************************************************************
PROCEDURE DIVISION using ENV-VAR-PASSAREA.
move ZERO to RETURN-CODE
evaluate ENV-VAR-REQUEST
when 'GET' perform GET-ENVIRONMENT-VARIABLE
when 'SET' perform SET-ENVIRONMENT-VARIABLE
when other add 8 to ZERO giving RETURN-CODE
move SPACES to ENV-VAR-VALUE
end-evaluate
move RETURN-CODE to ENV-VAR-RESPOND
GOBACK.
*****************************************************************
* Get an environment variable.
*----------------------------.
GET-ENVIRONMENT-VARIABLE.
move SPACES to ENV-VAR-VALUE
display ENV-VAR-NAME upon ENVIRONMENT-NAME
on exception add 4 to ZERO giving RETURN-CODE
end-display
accept ENV-VAR-VALUE from ENVIRONMENT-VALUE
on exception add 4 to ZERO giving RETURN-CODE
end-accept
if RETURN-CODE not = 0
move SPACES to ENV-VAR-VALUE
end-if
exit.
*****************************************************************
* Set an environment variable.
*----------------------------.
SET-ENVIRONMENT-VARIABLE.
display ENV-VAR-NAME upon ENVIRONMENT-NAME
on exception add 4 to ZERO giving RETURN-CODE
end-display
display ENV-VAR-VALUE upon ENVIRONMENT-VALUE
on exception add 4 to ZERO giving RETURN-CODE
end-display
exit.
*****************************************************************
* ABEND the program, post a message to the console and issue *
* a STOP RUN. *
*****************************************************************
Z-ABEND-PROGRAM.
if MESSAGE-TEXT not = SPACES
perform Z-DISPLAY-MESSAGE-TEXT
end-if
move 'PROGRAM-IS-ABENDING...' to MESSAGE-TEXT
perform Z-DISPLAY-MESSAGE-TEXT
add 12 to ZERO giving RETURN-CODE
GOBACK
exit.
*****************************************************************
Z-POST-COPYRIGHT.
display SIM-TITLE upon console
display SIM-COPYRIGHT upon console
exit.
*****************************************************************
Z-DISPLAY-MESSAGE-TEXT.
display MESSAGE-BUFFER upon console
move SPACES to MESSAGE-TEXT
exit.
*****************************************************************
Z-THANK-YOU.
display SIM-THANKS-01 upon console
display SIM-THANKS-02 upon console
exit.
*****************************************************************
* This example is provided by SimoTime Enterprises *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
The following (PAENVARS.CPY) is the COBOL copy file that may be used when calling SimoPARK.
*****************************************************************
* Data Structure or Pass Area used for calling MFENVARS. *
*****************************************************************
* Copyright (C) 1987-2010 SimoTime Enterprises *
* All Rights Reserved *
*****************************************************************
* Provided by SimoTime Enterprises *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
*
* When ENV-VAR-REQUEST is 'GET' then
* the ENV-VAR-NAME is used to get ENV-VAR-VALUE
* if the environment variable specified in ENV-VAR-NAME is
* missing then ENV-VAR-VALUE is set to SPACES.
*
* When ENV-VAR-REQUEST is 'SET' then
* the environment variable specified in ENV-VAR-NAME is
* set to the value specified in ENV-VAR-VALUE.
*
01 ENV-VAR-PASSAREA.
05 ENV-VAR-REQUEST pic X(3).
05 ENV-VAR-RESPOND pic X(4).
05 ENV-VAR-NAME pic X(16).
05 ENV-VAR-VALUE pic X(256).
*! PASSPARK - End-of-Copy File...
The purpose of this document is to provide a COBOL Source member for viewing.
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You may download this example at
http://www.simotime.com/sim4dzip.htm#zPACKmfenvars
or view the complete list of SimoTime Examples at
http://www.simotime.com/sim4dzip.htm.
This item will provide a link to an ASCII or EBCDIC translation table. A column for decimal, hexadecimal and binary is also included.
This document provides a quick summary of the File Status Key for VSAM data sets and QSAM files.
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| Copyright © 1987-2010 SimoTime Enterprises All Rights Reserved |
| When technology complements business |
| http://www.simotime.com |