SimoJUST - The COBOL Source Code
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Right, Left or Center Justify SimoJUST - The COBOL Source Code |
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Introduction
The objective of the text justification routine is to create an alpha- numeric field that will contain a variable-length text string that is left-justified, centered or right-justified within a fixed-length field.
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
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Copyright © 1987-2024
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All Rights Reserved
SimoJUST, What It Does
The SimoJUST routine (or callable program) will justify (center, left or right) a text string within a field and insert the appropriate leading and/or trailing space characters. If the requirement is to right-adjust, zero-fill a numeric field that will contain all digits and be properly aligned to the units position then refer to the right-adjust, zero-fill routine (or simora12.htm) .
SimoJUST, How To Use
The following is the syntax for calling the right-adjust routine (SIMOJUST.cbl).
move 'CENTER ' to JUST-REQUEST
move 'Text String ' to JUST-SOURCE
call 'SIMOJUST' using JUST-PASS-AREA.
The callable justify routine will accept a string of text up to sixty (60) characters. A Working Storage data structure for calling the SIMOJUST routine is required. A copy file (PASSJUST.cpy) is provided with the following fields defined.
*****************************************************************
* PASSJUST is a COBOL Copy File *
* Data Structure or Pass Area used for calling SIMOJUST. *
* Copyright (C) 1987-2019 SimoTime Technologies *
* All Rights Reserved *
*****************************************************************
* Provided by SimoTime Technologies *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
01 JUST-PASS-AREA.
05 JUST-REQUEST PIC X(8).
05 JUST-RESPOND PIC 9(4).
05 JUST-SOURCE PIC X(60).
05 JUST-TARGET PIC X(60).
*
*** PASSJUST - End-of-Copy File - - - - - - - - - - - PASSJUST *
*****************************************************************
*
The following table is an overview of the data strings used in the pass area.
| ||||||||||||||||
| Pass Area Structure for calling the SIMOJUST Routine |
The COBOL Source Code
The following member (SIMOJUST.cbl) is the COBOL Source Code.
IDENTIFICATION DIVISION.
PROGRAM-ID. SIMOJUST.
AUTHOR. SIMOTIME TECHNOLOGIES.
*****************************************************************
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* granted, provided the SimoTime copyright notice appear on all *
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* used in any advertising or publicity pertaining to the use *
* of the software without the written permission of SimoTime *
* Technologies. *
* *
* Permission to use, copy, modify and distribute this software *
* for any commercial purpose requires a fee to be paid to *
* SimoTime Technologies. Once the fee is received by SimoTime *
* the latest version of the software will be delivered and a *
* license will be granted for use within an enterprise, *
* provided the SimoTime copyright notice appear on all copies *
* of the software. The SimoTime name or Logo may not be used *
* in any advertising or publicity pertaining to the use of the *
* software without the written permission of SimoTime *
* Technologies. *
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* SimoTime Technologies makes no warranty or representations *
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* Technologies shall not be liable for any direct, indirect, *
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*****************************************************************
* This program is provided by SimoTime Technologies *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
* *
*****************************************************************
*
*****************************************************************
* Source Member: SIMOJUST.CBL
* Copy Files: PASSJUST.CPY
*****************************************************************
*
* SIMOJUST - Justify (or position) a text string within a field
* based on the caller's request to center, left or right justify.
*
* EXECUTION or CALLING PROTOCOL
* -----------------------------
* CALL 'SIMOJUST' USING JUST-PASS-AREA.
*
*****************************************************************
*
* MAINTENANCE
* -----------
* 1988/02/27 Simmons, Created program.
* 1988/02/27 Simmons, No changes to date.
*
*****************************************************************
*
DATA DIVISION.
WORKING-STORAGE SECTION.
01 Z-PTR-1 pic 9(3) value 0.
01 Z-PTR-2 pic 9(3) value 0.
01 Z-MAX-1 pic 9(3) value 0.
01 Z-MAX-2 pic 9(3) value 0.
01 FIRST-BYTE pic 9(3) value 0.
01 FINAL-BYTE pic 9(3) value 0.
01 LENGTH-OF-STRING pic 9(3) value 0.
*****************************************************************
LINKAGE SECTION.
COPY PASSJUST.
*****************************************************************
PROCEDURE DIVISION using JUST-PASS-AREA.
perform INITIALIZE-FIELDS
perform until Z-PTR-1 > Z-MAX-1
if JUST-SOURCE(Z-PTR-1:1) not = SPACE
if FIRST-BYTE = 0
add Z-PTR-1 to ZERO giving FIRST-BYTE
end-if
add Z-PTR-1 to ZERO giving FINAL-BYTE
end-if
add 1 to Z-PTR-1
end-perform
compute LENGTH-OF-STRING = FINAL-BYTE - FIRST-BYTE + 1
evaluate JUST-REQUEST
when 'CENTER ' perform REQUEST-CENTER
when 'LEFT ' perform REQUEST-LEFT
when 'RIGHT ' perform REQUEST-RIGHT
when other add 8 to ZERO giving JUST-RESPOND
end-evaluate
GOBACK.
*****************************************************************
INITIALIZE-FIELDS.
add 16 to ZERO giving JUST-RESPOND
move ZERO to Z-PTR-1
move ZERO to Z-PTR-2
move ZERO to FIRST-BYTE
move ZERO to FINAL-BYTE
move ZERO to LENGTH-OF-STRING
move SPACES to JUST-TARGET
add length of JUST-SOURCE to ZERO giving Z-MAX-1
add length of JUST-TARGET to ZERO giving Z-MAX-2
exit.
*****************************************************************
REQUEST-CENTER.
compute Z-PTR-2 = (Z-MAX-2 - LENGTH-OF-STRING) / 2 + 1
move JUST-SOURCE(FIRST-BYTE:LENGTH-OF-STRING)
to JUST-TARGET(Z-PTR-2:LENGTH-OF-STRING)
move ZERO to JUST-RESPOND
exit.
*****************************************************************
REQUEST-LEFT.
add 1 to ZERO giving Z-PTR-2
move JUST-SOURCE(FIRST-BYTE:LENGTH-OF-STRING)
to JUST-TARGET(Z-PTR-2:LENGTH-OF-STRING)
move ZERO to JUST-RESPOND
exit.
*****************************************************************
REQUEST-RIGHT.
compute Z-PTR-2 = (Z-MAX-2 - LENGTH-OF-STRING) + 1
move JUST-SOURCE(FIRST-BYTE:LENGTH-OF-STRING)
to JUST-TARGET( Z-PTR-2:LENGTH-OF-STRING)
move ZERO to JUST-RESPOND
exit.
*****************************************************************
* This example is provided by SimoTime Technologies *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
The COBOL Copy File
The following member (PASSJUST.cpy) is the COBOL copy file that may be used when calling SimoJUST.
*****************************************************************
* PASSJUST is a COBOL Copy File *
* Data Structure or Pass Area used for calling SIMOJUST. *
* Copyright (C) 1987-2019 SimoTime Technologies *
* All Rights Reserved *
*****************************************************************
* Provided by SimoTime Technologies *
* Our e-mail address is: helpdesk@simotime.com *
* Also, visit our Web Site at http://www.simotime.com *
*****************************************************************
01 JUST-PASS-AREA.
05 JUST-REQUEST PIC X(8).
05 JUST-RESPOND PIC 9(4).
05 JUST-SOURCE PIC X(60).
05 JUST-TARGET PIC X(60).
*
*** PASSJUST - End-of-Copy File - - - - - - - - - - - PASSJUST *
*****************************************************************
*
Summary
The objective of the text justification routine is to create an alpha- numeric field that will contain a variable-length text string that is left-justified, centered or right-justified within a fixed-length field. This document may be used to assist as a tutorial for new programmers or as a quick reference for experienced programmers.
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Permission to use, copy, modify and distribute this software, documentation or training material for any purpose requires a fee to be paid to SimoTime Technologies. Once the fee is received by SimoTime the latest version of the software, documentation or training material will be delivered and a license will be granted for use within an enterprise, provided the SimoTime copyright notice appear on all copies of the software. The SimoTime name or Logo may not be used in any advertising or publicity pertaining to the use of the software without the written permission of SimoTime Technologies.
SimoTime Technologies makes no warranty or representations about the suitability of the software, documentation or learning material for any purpose. It is provided "AS IS" without any expressed or implied warranty, including the implied warranties of merchantability, fitness for a particular purpose and non-infringement. SimoTime Technologies shall not be liable for any direct, indirect, special or consequential damages resulting from the loss of use, data or projects, whether in an action of contract or tort, arising out of or in connection with the use or performance of this software, documentation or training material.
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Explore How to Center, Left or Right Justify a text string within a field using a COBOL program. This suite of programs includes Job Scripts to create test data and execute the COBOL programs. The Job Scripts include JCL Members for an IBM Mainframe System, CMD Files for a Windows System and Bash Script Files for a Linux or UNIX System.
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Explore The ASCII and EBCDIC Translation Tables. These tables are provided for individuals that need to better understand the bit structures and differences of the encoding formats.
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