Patch using Hex, EBCDIC or ASCII
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This example uses a suite of COBOL programs and BMS map sets to access the contents of a user requested record from the Customer Master File. The transaction identifier (or Tran ID) for this menu option is "CUM1" and the program is "CUMEND".
The information is displayed in a hexadecimal (or DUMP) format, an EBCDIC format and an ASCII format. The programs provide for viewing or patching individual records in the file. This transaction is provided as a tool for programmers and support personnel. The programs use command level CICS statements to access the VSAM Master File and display information to a 3270 terminal or terminal emulator. The programs run on an IBM Mainframe System with CICS or a Microsoft Windows System with Micro Focus Server for Mainframe Migration.
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When the Record Patch utility program is first executed a screen with the prompt for a customer number and record position is displayed. The user should type a customer number. If the record position is not entered it will default to position 1.
CUMEND1 Data Files and VSAM Data Sets 2011/01/03 STOA Record Patch Option for Customer File 09:02:46:22 Record Key: 000000001900 Record Position: 00000001 Patch Position: ________ Length: __ Mode: _ Data: ________________ Position Hex..... ........ ........ ........ ebcdic.......... ascii........... ... ... F3=Menu F9=Updt F12=Esc
When the user presses the "Enter" key the program will get the requested record and display the screen with the first 256 bytes of the customer record starting in position one (1). If the requested customer cannot be found an error message is posted to the screen. The user may enter another customer number or change the starting position to display another record or additional information. A user may choose to enter patch information and use PF9 to patch (update) the record.
CUMEND1 Data Files and VSAM Data Sets 2011/01/03 STOA Record Patch Option for Customer File 09:02:46:22 Record Key: 000000001900 Record Position: 00000001 Patch Position: ________ Length: __ Mode: _ Data: ________________ Position Hex..... ........ ........ ........ ebcdic.......... ascii........... 1 30303030 30303030 31393030 20536D69 .............._. 000000001900 Smi 17 74682020 20202020 20202020 20202020 ................ th 33 20202020 20202020 2053616D 6D792020 ........../__`.. Sammy 49 20202020 20202020 20202020 20537565 ................ Sue 65 20202020 20202020 20202020 20202020 ................ 81 20313931 39204361 726E6F75 73746965 ......./.>?..... 1919 Carnoustie 97 20447269 76652020 20202020 20202020 ................ Drive 113 20202020 20202020 20202020 20202020 ................ 129 20202020 20202020 20202020 20202020 ................ 145 20202020 20202020 20202020 20202020 ................ 161 20202020 20202020 20202020 20202020 ................ 177 20202020 20202020 20202020 20202020 ................ 193 20202020 20202020 20202020 20202020 ................ 209 20202020 20202020 20202020 20202020 ................ 225 20202020 20202020 20202020 20202020 ................ 241 20202020 20202020 20202020 20202020 ................ F3=Menu F9=Updt F12=Esc
The Customer Master File is a VSAM, Key-Sequenced-Data-Set (KSDS). The length of the records in the data set is 512 bytes. The key field starts in position one (1) and is 12 bytes in length. The following is the COBOL copy file that defines the record layout.
The purpose of this suite of program is to provide examples that use command level CICS in COBOL programs to access VSAM, Key-Sequenced-Data-Sets (KSDS) and display the information using standard BMS screen definitions to a 3270 terminal or terminal emulator. A hexadecimal dump format is used to display 256 byte blocks of data based on a user specified starting position in the record. A record path (or update) function is provided. This document may be used as a tutorial for new programmers or as a quick reference for experienced programmers.
In the world of programming there are many ways to solve a problem. This documentation and software were developed and tested on systems that are configured for a SIMOTIME environment based on the hardware, operating systems, user requirements and security requirements. Therefore, adjustments may be needed to execute the jobs and programs when transferred to a system of a different architecture or configuration.
SIMOTIME Services has experience in moving or sharing data or application processing across a variety of systems. For additional information about SIMOTIME Services or Technologies please contact us using the information in the Contact, Comment or Feedback section of this document.
Software Agreement and Disclaimer
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.
This section includes links to documents with additional information that are beyond the scope and purpose of this document. The first group of documents may be available from a local system or via an internet connection, the second group of documents will require an internet connection.
Note: A SimoTime License is required for the items to be made available on a local system or server.
The following links may be to the current server or to the Internet.
Note: The latest versions of the SimoTime Documents and Program Suites are available on the Internet and may be accessed using the icon. If a user has a SimoTime Enterprise License the Documents and Program Suites may be available on a local server and accessed using the icon.
Explore the CICS Connection for more examples of mainframe CICS coding techniques and sample code.
Explore the COBOL Connection for more examples of COBOL programming techniques and sample code.
Explore the non-Relational Data Connection for more examples of accessing methodologies and coding techniques for Data Files and VSAM Data Sets.
Explore An Enterprise System Model that describes and demonstrates how Applications that were running on a Mainframe System and non-relational data that was located on the Mainframe System were copied and deployed in a Microsoft Windows environment with Micro Focus Enterprise Server.
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.
Explore The File Status Return Codes to interpret the results of accessing VSAM data sets and/or QSAM files.
The following links will require an internet connect.
This suite of programs and documentation is available to download for review and evaluation purposes. Other uses will require a SimoTime Software License. Link to an Evaluation zPAK Option that includes the program members, documentation and control files.
A good place to start is The SimoTime Home Page for access to white papers, program examples and product information. This link requires an Internet Connection
Explore The Micro Focus Web Site for more information about products (including Micro Focus COBOL) and services available from Micro Focus. This link requires an Internet Connection.
Explore the Glossary of Terms for a list of terms and definitions used in this suite of documents and white papers.
This document was created and is maintained by SimoTime Technologies and Services. If you have any questions, suggestions, comments or feedback please use the following contact information.
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|Record Patch using Hex, EBCDIC or ASCII|
|Copyright © 1987-2022
SimoTime Technologies and Services
All Rights Reserved
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