As a result, it gives you some required background, then takes you through two sample programs, so you can see all the pieces that are involved. file section. When the JSP page containing the IBM i Table Web component is first loaded, the INIT procedure is called to create the space and fill it with records from the COURSES file by calling the FillSFL procedure. The following is an RPG subfile example with a selection option. TutorialBrain-Sample COBOL Program to read an Input file and write to an output file. -----SUCCESSFUL DATABASE CONNECTION Application Program Failed. For example, a COBOL system can be modernized to Java, C#, C++ & others, including the JCL, which can be transformed to Python, C#, Java, or other scripting languages, per the customer requirements. Create directory named COBSAMPLES under drivename\Program Files\Fujitsu COBOL. There are DDS-specifications which define certain keywords to govern page initialization and positioning. 2 Final [7Sept2017] Sample Programs 3 2. As the requirement and/or the type of subfile changes, the code also becomes complex. It is the first and only mandatory division of every COBOL program. A COBOL copybook is a file that contains COBOL source code and is used to synchronize that code among various COBOL programs. All the transaction identifiers (Trans ids) needs to be defined in the PCT table and should be installed. Search Data Center. 01 input-string pic x(255). Here no database is involved and it is a pure batch file processing program. txt" organization is line sequential. back to cobol examples. Please find the COBOL-DB2 sample program. In this section, you will find the 'source code' for some of the Basic AS/400 skills every programmer should know. GNU COBOL 2. MyClass is the name of the class. program-id. The textbook example does not validate user data! The source file CHAP12DEMO in the course library contains many useful notes and examples. It may be keep in mind that no file definition. show 12 records to user at a time C* This load function sequences the data by customer # or Name C* Depending on what the value of ReadBy is. This is an online COBOL tutorial. Of course, this simple example would be better simply done as an IF. This program reads IMS database segments and creates a sequential (flat) file that will be input into an IMS-to-DB2 database conversion program. com - Working with COBOL Subfile RRN 29 Sep 2004. 1BestCsharp blog 6,204,454 views. Explain the three methods used to load subfiles. select out-file assign to "sort. Question: I would like to understand the basics of how to write and execute Cobol program on Linux OS. Part 2 Basic Subfile Coding: (August 1992) We begin examining the coding of the display file and HLL program along with the logic and structure of typical subfile programs. NET applications. The COBOL program is written using COBOL/2 dialect but also works with COBOL for MVS and COBOL/370. zip: This program demonstrates how to call the Windows API. Schedule a real-time demo. The list of members that you can see in the PDM is an example of a subfile. You wouldn't believe the amount of red. This include should be used when COBOL uses Java Version 1. This tutorial shows you how to compile PeopleSoft COBOL programs using Micro Focus® Server Express™ COBOL compiler on an Oracle Compute Cloud Service instance. Calling User-Defined Programs with the CallProg Function COBOL Program Operating System Support COBOL Program Linkage COBOL Program Linkage - Example. Installing the COBOL. NET Preview III\Examples\Web ; Note. This program reads IMS database segments and creates a sequential (flat) file that will be input into an IMS-to-DB2 database conversion program. Valid subfile operations are : 1. Modeling and dimensioning the structure of the subframe and the engine mounting bracket were made in CATIA V5R21 program and resistance calculations were performed using the program ANSYS 14. I have written about subfiles, and even a screen with two subfiles on it. Defining Data Part 2. Here is an e xample of a very simple COBOL program for those who never saw one. For a simple Load-All subfile, these can be segregated as three separate subroutines – one each for Clear, Load and View. RE: DDS Subfile Problem in COBOL. There are two types of subroutines: internal subroutines like Perform statements and external subroutines like CALL verb. For a simple Load-All subfile, these can be segregated as three separate subroutines - one each for Clear, Load and View. Appendix A Sample Programs The sample programs shipped with NetCOBOL are intended to give an overview of the capabilities of NetCOBOL and COBOL Project Manager. The user may also include programming for the following: (1) to separate occurances or variant record types when the file is not in first normal form, (2) to conditionally process fields when the file is not in second or third normal form. This article provides a sample COBOL Client program and C server program to use the VIEW buffer type which exchanges VIEW message with C program in Tuxedo. 2 Final [7Sept2017] Sample Programs 3 2. At the time of COBOL's inception , OOP paradigm is still in its infancy and was not taken into consi. Specifiations of the subfile record format on a READ, WRITE or REWRITE causes the specified subfile record to be processed, but does not affect the displayed data directly. In this chapter you will see how to create menus and screens in AS400. They may be used in code as long as credit is given to the original author. Find file Copy path john-r-r-allen Update rpgle example subfile program 5c4ac26 Jul 3, 2018. Its name is an acronym, for Common Business Oriented Language, defining its primary domain in business, finance, and administrative systems for companies and governments. All the programs and mapsets (mapset is an assembler program) needs to be registered in the PPT table and installed. Application Rehosting. Search400. Create directory named COBSAMPLES under drivename\Program Files\Fujitsu COBOL. 0) version of GnuCOBOL that included the Report Writer features. When the JSP page containing the IBM i Table Web component is first loaded, the INIT procedure is called to create the space and fill it with records from the COURSES file by calling the FillSFL procedure. The basic operation is 1. This is an introductory class on the COBOL language. select sysin assign to keyboard organization line sequential. The RPGIV for the 3-Column Subfile; The RPGIV for the two subfile program September (6) Tags. Thanks in advance. Cobol subroutine is a program that can be compiled independently but cannot be executed independently. They are real production programs including a customer inquiry program, a customer maintenance program and a customer order inquiry subfile program. Background division. All programs called from this top program remain in the Run Unit until the top-level program itself closes down. Part 2 Basic Subfile Coding: (August 1992) We begin examining the coding of the display file and HLL program along with the logic and structure of typical subfile programs. You are going to use Visual COBOL and one of the MFUnit Airport samples to see how to use Jenkins to build a COBOL application. Posted: Wed May 25, 2005 10:20 am Post subject: Need an Example Program to use VSAM KSDS File Organization I want cobol file programming methods. There are probably as many ways to write a subfile program as there are programmers who write them, each with his or her own coding peccadillos. How COBOL initializes fields. There are DDS-specifications which define certain keywords to govern page initialization and positioning. Simple Subfile. Screen Design Aid (SDA) - Desigining of Subfile Using SDA. The Enterprise COBOL V4. All the programs and mapsets (mapset is an assembler program) needs to be registered in the PPT table and installed. This article is a modest approach which describes the above, using an example. It's actually very simple. COBOL is a newcomer to the world of object-oriented languages (OOLs). Whether you are an experienced programmer acquiring a new language or never have programmed before, PROGRAMMING IN COBOL/400 will help you: Design COBOL/400 programs that are easy to read, debug, modify, and maintain. 2003: GetEnvironment Variable. I am assuming that you are familiar with the clause and its function so we wont delve into detailed explanation and COBOL syntax but rather explain the use of occurs depending on and creating a VB file using a sample program. Example of a COBOL program which uses subfiles and which the user can enter search criteria and get a specific display from that criteria Resolving the problem Disclaimer: This document contains code made available by IBM Corporation on an "as is" basis. As a result, it gives you some required background, then takes you through two sample programs, so you can see all the pieces that are involved. The candidate report also includes a performance analysis based on the standard Bloom's taxonomy which lists out. Vandever has done it again. COBOL programming site with a comprehensive set of COBOL tutorials making a full COBOL course as well as COBOL lecture notes, COBOL programming exercises with sample solutions, COBOL programming exam specifications with model answers, COBOL project specifications, and over 50 example COBOL programs. The article uses an example of a subfile with "Position to" capability and presents the techniques and logic changes required to code a Modified Load-All, Expanding or Page. GNU COBOL 2. Simple Cobol Programs. command key defaults. · READ, WRITE, or EXFMT operation codes cane be used for subfile control-record format to transfer data between the program. Tracing is an invaluable method for detailed debugging. Also, they are not the usual type of COBOL program that you would normally come across. You can learn more about SFLRCDNBR on the IBM website here. Upon completion you'll be able to: Use Screen Design Aid to create and maintain display files that contain subfiles. Good communication skill. To run on the mainframe, you must change the SELECT statements by removing the ORGANIZATION IS LINE SEQUENTIAL and adding the necessary JCL. The article uses an example of a subfile with "Position to" capability and presents the techniques and logic changes required to code a Modified Load-All, Expanding or Page. Question: I would like to understand the basics of how to write and execute Cobol program on Linux OS. The programs you will come across in the real world are likely to be much more cryptic than this one Note than the colors and fonts decoration have been manually added. Depending on your file, this may not be appropriate for your situation. Chapter Contents. jar ) and the specific database JDBC driver must be present on the CLASSPATH. XCTL explanation and syntax LINK explanation and syntax Process performed by BIND Some Commonly used EIB information. Author of the definitive 2000 work "Subfiles in RPG IV: Rules, Examples, Techniques, and Other Cool Stuff", this updated and expanded work is brought up to the present with free-format RPG examples and other new material. PROCESS APOST. jar ) and the specific database JDBC driver must be present on the CLASSPATH. The COBOL Programming Basics course introduces the COBOL language and its basic structure. · In load-All subfile if we do PAGEDOWN and then press ENTER on the page, by-default ENTER bring the display screen to the very first page irrespective of the current page number. I don't think we've pursued pure JCA solutions. I want to make a connection with Mailchimp or channable or Twinfield etc etc. All programs called from this top program remain in the Run Unit until the top-level program itself closes down. File Name: simpleCUDA. The first thing you need to do in the program is to read the VSAM file and get the key from it. Math Calculator in Cobol Here is a simple program that I wrote using COBOL to imitate a very simple calculator. COBOL is a programming language that is mainly focused on solving a business problem. February 27, 2004 by Scrivs. But it is not a good practice. Now say your program has abended at 5020 record, now in the VSAM file you will have the key of the 5000 record. Display File A*%%TS SD 20140814 113305 ITADI REL-V6R1M0 5761-WDS A*%%EC. CNT function field. I am assuming that you are familiar with the clause and its function so we wont delve into detailed explanation and COBOL syntax but rather explain the use of occurs depending on and creating a VB file using a sample program. As the term suggests, a subfile is not a file; rather, it is a temporary place to store data of the same format to be used by a display file program. Simple Subfile. Introduced the RECORD data structure. This is an example of a service program that uses the IBM® i Table Web component as a subfile. All SYSUT files must be on direct-access storage devices. COBOL Tutorial studay material - sample cobol sequential file writing program. Screen Design Aid (SDA) - Desigining of Subfile Using SDA. C* Subfile page is set to 12. This test is designed for programmers using COBOL/400. Resolving the problem The following is an example of a COBOL program that loads a subfile one page at a time:. Of course, this simple example would be better simply done as an IF. Let's establish an example to compute the tax of a US citizen. In 1974, 2nd version was developed to make language more efficient and standardized. For a zip file containing all the sources, click here. [9] [10] [11] It was created as part of a US Department of Defense effort to create a portable programming language for data processing. The authors blend theory, practical case problems, and working examples in each chapter, so you see how COBOL/400 works from all angles. Some code, such as library names, will have to be changed for the user's system. Program Data 4. Not familiar with object oriented semantics? Catch up with this educational webinar series and learn the A to Z of Object Oriented Programming for COBOL (OOP). Application-centric infrastructure is one way to support an SDN setup. We’ve broken the webinars down into 30-minute bite-sized chunks, giving you time to try out what you’ve learned before moving onto the next webinar. COBOL programs can use these features as if they were written in COBOL. jar file that you import into your Eclipse workspace. * Increased coverage of ILE COBOL and subfiles. Micro Focus COBOL includes a state-of-the-art compiler that builds on COBOL’s traditional strengths by providing : Micro Focus COBOL is a fully functional, high performance, cross- platform COBOL development technology for Windows,. Guide should be COBOL V5 executables are Program Objects that can only resided in PDSE. Here's an example of the problem code, which tries. To include the code in your own COBOL programs, just use the disk or tape you get with the book. The program's first task is to load the subfile with one page of records (in this case, nine). RAMESH KRISHNA REDDY: Online Tutorials. · Dynamic Analysis: Some software (for example, the Rational Developer for System z) allows you to trace the program logic, attempting to re-create the sequence of events (COBOL statements) that transpired up to and including the ABEND condition. COBOL programming site with a comprehensive set of COBOL tutorials making a full COBOL course as well as COBOL lecture notes, COBOL programming exercises with sample solutions, COBOL programming exam specifications with model answers, COBOL project specifications, and over 50 example COBOL programs. The days of punch card layout and uppercase only inputs are far behind. The article uses an example of a subfile with "Position to" capability and presents the techniques and logic changes required to code a Modified Load-All, Expanding or Page. January 26, 2005 Hey, Ted Within a subfile, I am using an indicator to highlight a field if the value of that field is invalid. Create directory named COBSAMPLES under drivename\Program Files\Fujitsu COBOL. The EVALUATE statement in COBOL, which calculates the Income-tax according to the above given rules, is as follows : In the above COBOL Program, I have assumed that the taxable income of the individual is 2. Once, for example, a member has been specified as having an attribute of CBL (for COBOL program,) the AS/400 editor, SEU, will format the program as a COBOL program, and when PDM (Program Development Manager) is given the instruction to compile the file, it "knows" that it should invoke the COBOL compiler. Application-centric infrastructure is one way to support an SDN setup. There exists different types of performs based on the way that is being used. COBOL - 239 COBOL interview questions and 1055 answers by expert members with experience in COBOL subject. This is an introductory class on the COBOL language. Download Free COBOL Source Codes. These are the core principals of object-oriented programming. Chapter 21 – Using Transaction Files of the COBOL Programmers Guide discusses and provides a sample program which updates/rewrites subfile records. RESTART LOGIC IN COBOL DB2 Program. select sysin assign to keyboard organization line sequential. For example, if a sales app calculates shipping cost depending on the customer's total purchase and shipping method, but gives a 1-grade discount to their prime customers, it could look something like this:. All the objects you need are included - even the data files - so you can run the programs right away. That programming example is inadequate for professional applications. i am giving u a simple example. Difference between Cobol and AS/400 Cobol AS/400 cobol has lots of add ons to cater for the beauties of the AS/400 including external file definitions subfile etc etc try the. Complete structured programming examples that you can use. In this division, PROGRAM-ID is the only mandatory paragraph. Describe … - Selection from PROGRAMMING IN COBOL/400: 2nd Edition [Book]. I managed to catch the keyword indicator. So I wrote a little program to test various options. This COBOL program validates the entered user information. The main difference between java and C# translation is the use of java-beans pattern (getters/setters) in java and Properties in C#. (129: COBOL Prg - Adv 10. You'll be assessed on your knowledge of legacy programs and what is needed to create a. 2003: GetEnvironment Variable. All the transaction identifiers (Trans ids) needs to be defined in the PCT table and should be installed. The intended use of this text, is as a self study material. data division. Question: I would like to understand the basics of how to write and execute Cobol program on Linux OS. Search400 Log all programs called during a job run 08 Jul 2004. · READ, WRITE, or EXFMT operation codes cane be used for subfile control-record format to transfer data between the program. Description iSeries-AS/400 COBOL Subfile Programming is a self-paced, audio driven course providing comprehensive, practical training in the design and coding of subfile programs. file-control. You wouldn't believe the amount of red. COBOL User Groups (COBUG ): A source of COBOL program examples, including examples of client/server, database, Java, COBOL. When you reference a class, you do so by specifying its name much in the same way you would reference a COBOL program. This uses the OAR Handler program shown below. iSeries (AS/400) COBOL Programming Tips, Techniques, and Articles Return to list of categories. We call IBM mainframe CICS COBOL from distributed systems via MQ-Series and COBOL stored procs via DirectConnect. It is the first and only mandatory division of every COBOL program. Can a COBOL batch program CALL to COBOL batch db2 program?. Then you can test for the end of the table by comparing the current index value with the index value of the last record. Describe … - Selection from PROGRAMMING IN COBOL/400: 2nd Edition [Book]. A COBOL copybook is a file that contains COBOL source code and is used to synchronize that code among various COBOL programs. GO TO Statement in COBOL - Tutorial to learn GO TO Statement in COBOL in simple, easy and step by step way with syntax, examples and notes. IEBEDIT Example; Check for empty file; If the VSAM is empty then copy job abends; Copying files from Tapes to DASD; Low values to Spaces using SORT; Difference Between Catalog and Instream Procs; Maximum Exec Statements in a JCL; COBOL. They want to be able to add more into the subfile or if nothing exist then add all of it. commitment control. Translates COBOL statements to machine language instructions, producing an object program 5. i want to know what is the file status in cobol/400. The vast majority of the CICS code for those applications is in the form of CICS commands that are embedded within COBOL programs, which is why this book is called CICS for the COBOL Programmer. Intrinsic Functions in COBOL Programs: UPPER-CASE The intrinsic functions UPPER-CASE returns a character string that is the same length as the argument specified, with each lowercase letter replaced by the corresponding uppercase letter. …Files can be both input and/or output from a program. As a result, it gives you some required background, then takes you through two sample programs, so you can see all the pieces that are involved. Micro Focus COBOL includes a state-of-the-art compiler that builds on COBOL’s traditional strengths by providing : Micro Focus COBOL is a fully functional, high performance, cross- platform COBOL development technology for Windows,. Does anyone have a sample program that allows a user to add or change a subfile. Non-subfile Implementations DDS Keyword Interaction with COBOL/400 Displaying a Subfile for Data Inquiry. Identification Division. If you create a virtual directory than the specified above and map it to any other location you may not be able to run the COBOL. PowerExchange provides example COBOL code for a CallProg function in the UCPEC and UCPEC01 members of the SRCLIB library on z/OS. The DECLARE EMPLOYEE TABLE in the COBOL Program makes a statement - hey pal, this COBOL Program uses the EMPLOYEE table, which is broken into EMPID, ENAME, SALARY and JDATE SQL-Fields(columns). CNT function field. Installing the COBOL. • A way to call an iSeries program with parameters and return the parameter values via the SQL command mechanism • Can also return database recordsets based on RPG or COBOL business program logic • Allows business logic to be created in an RPG, CL or COBOL program • RPG or COBOL business logic can be easily re-. Simple Cobol Programs. An example of calling DSNTIAR from an application appears in the DB2 sample assembler program. better, always code a END-IF statement as scope terminator. Build COBOL applications using Agile and DevOps practices. You can use them as your reference when creating RPG programs. The user may also include programming for the following: (1) to separate occurances or variant record types when the file is not in first normal form, (2) to conditionally process fields when the file is not in second or third normal form. This is an online COBOL tutorial. 1BestCsharp blog 6,204,454 views. COBOL Disadvantages Requires a compiler. The second parameter to the handler is used to supply the name of the IFS file to use. COBOL iSeries (AS400) Code Examples >iSeries(AS400) Sample COBOL Programs Several sample iseries(as400) COBOL programs. H* - Maintain database file using subfile display H* - Existing records may be updated or deleted, H* - Key changes. This is a picture of a COBOL program editor running in a mainframe. Development of Low-Level Languages All computers operate by following machine language programs, a long sequence of instructions called machine code that is. Is there a way, when I read a subfile record, to analyze the attributes of the field to see if the indicator was switched on or off when the subfile record was written?. Cobol subroutine is a program that can be compiled independently but cannot be executed independently. For example, when you load records into a variable-length table, you can store the index value of the last record into a data item defined as USAGE IS INDEX. Specifiations of the subfile record format on a READ, WRITE or REWRITE causes the specified subfile record to be processed, but does not affect the displayed data directly. Mettl's Pre-built Test is a comprehensive assessment which can be used to test a candidate's knowledge of COBOL on basic concepts and topics like Sort and Merge, Subroutine, Character Handling, Sequential File Handling, Versions etc. They want to enter a machine number and a date and pull up a subfile having data for the day on a machine. This appendix contains three sample OCI programs written in COBOL. Identification Division. COBOL Subfile Programming Course Code: ACB4 Description iSeries-AS/400 COBOL Subfile Programming is a self-paced, multimedia course providing comprehensive, practical training in the design and coding of subfile programs. Fast learner and good team player who can work under pressure. Explore the COBOL Connection for more examples of COBOL programming techniques and sample. working-storage section. This is especially true for programs written with procedural languages that require pre-defined, static variables - such as COBOL. However, in more complex evaluations, it can be of use. SAMPLE COBOL AS400 Program Many programmers are looking for a sample Subfile application in cobol to use it as a template. A copybook may be included in more than one COBOL program, and a program may include more than one copybook. In this section, you will find the 'source code' for some of the Basic AS/400 skills every programmer should know. Tailor your resume by picking relevant responsibilities from the examples below and then add your accomplishments. js code that launches a Web server and creates ASCII art from a JPEG image being executed from within COBOL. It's actually very simple. COBDUMP COBDUMP is a useful little utility subroutine to produce a formatted hexadecimal and character dump of the data area passed to it. jar ) and the specific database JDBC driver must be present on the CLASSPATH. Learn the basics of ACI network technology. This division in COBOL program consists of every data item processed by the program is described. Thanks for the A2A. Applied COBOL programming experience to a Cognos environment to identify value-added features. This example loads all of the records from the database file into the subfile. Please find the COBOL-DB2 sample program. There are two types of subroutines: internal subroutines like Perform statements and external subroutines like CALL verb. Is this an AS400 based program right? If so check your job log, you may find it is simply the fact that you are missing the correct library for this file from your library list. COBOL Programming: can anyone share some sample MQ COBOL program with some brief desription. To have the full use of this material, you need to have access to a COBOL compiler. You can do this in the program: PERFORM A100-DSP UNTIL ENDPGM. It is primarily used in company and government business, finance, and administrative systems. Sample COBOL Program to show how file structure is defined in FILE Section A TutorialBrain-File definition in FD clause in File-section Let’s understand the various options which are under the FD clause. Describe … - Selection from PROGRAMMING IN COBOL/400: 2nd Edition [Book]. Identification Division. Describe … - Selection from PROGRAMMING IN COBOL/400: 2nd Edition [Book]. COBOL Examples by Source >Micro Focus Acucobol Program Samples This is a collection of COBOL program examples that help illustrate general programming techniques integral to developing with Acucobol. Here's a simple subfile example I created. The authors blend theory, practical case problems, and working examples in each chapter, so you see how COBOL/400 works from all angles. Especially using VSAM KSDS organization methods. 2003: GetEnvironment Variable. NET Preview III\Examples\Web ; Note. COBOL is a newcomer to the world of object-oriented languages (OOLs). Yet most COBOL implementations still handle the same code layout. This is one of the projects I'm planning to do soon. A well-designed program has the static data centralized at one place. · READ, WRITE, or EXFMT operation codes cane be used for subfile control-record format to transfer data between the program. Once, for example, a member has been specified as having an attribute of CBL (for COBOL program,) the AS/400 editor, SEU, will format the program as a COBOL program, and when PDM (Program Development Manager) is given the instruction to compile the file, it "knows" that it should invoke the COBOL compiler. Write a Program in COBOL to compute the Simple Interest. This is a story of how a punch card ate my program. A COBOL program consists of four divisions. Depending on your exact requirement, changes may need to be made, but the overall process works for most cases. The sections in this division are file section, working-storage section, linkage section, report section, screen section. iSeries-AS/400 RPG Subfile Programming is a self-paced, multimedia course providing comprehensive, practical training in the design and coding of subfile programs. cobol books on amazon. Identification Division. Translates COBOL statements to machine language instructions, producing an object program 5. Subfiles sample program in RPGLE,COBOL subfile program with read, write, update and delete fuctions. The basic operation is 1. When the JSP page containing the IBM i Table Web component is first loaded, the INIT procedure is called to create the space and fill it with records from the COURSES file by calling the FillSFL procedure. Cobol programmer, May 2000 – July 2005. The days of punch card layout and uppercase only inputs are far behind. 2 zDebugger v14. The programmer and the compiler use this division to identify the program. Tuxedo Buffer type. I am trying to write a COBOL program that displays a one parent record. Visit us @ Source Codes World. These communicate which each other synchronously. Depending on your file, this may not be appropriate for your situation. COBOL is a computer programming language whose name is an acronym formed by the upper-case letters of the words "Common Organization Business-Oriented Language". Join them, it only takes 30 seconds. DISPLAY "HELLO, WORLD".   >AS/400, iSeries COBOL Programming. Another Reason to Use P-Fields. Example - Building COBOL Programs The following example shows how to use Jenkins projects to build COBOL source code. Tax in the United States is computed as follows. I have been asked to write a program that will have both a display file and a subfile on the same screen, at the same time. When developing a Java program to link to a CICS COBOL program with a COMMAREA or to access a VSAM file, you will typically need to map the data fields from a record structure to specific Java datatypes. We’ll be running these programs on Linux. I want to make a connection with Mailchimp or channable or Twinfield etc etc. So your COBOL program will have a DD name of "AS-DDNAM1" your JCL will only have //DDNAME1 DD DSN = If you omit the AS- part in your COBOL Assign clause you would get a file status 39 , attribute mismatch , as the COBOL program is expecting a flat file but the JCL will be having a VSAM ESDS instead. …This can be done in Notepad++ using the view menu. Perform Verb in COBOL is used to execute a set of COBOL statements. select sort-file assign to syswork. The previous ASP. If you want to see this information for batch jobs, you must have access to the job log. COBOL Advantages English-like Solves Business Problems Handles large volumes of data Universal and standardized Compatible and transportable Easy to maintain Supports a variety of file organizations 6. For example, Pro*COBOL expands the VARCHAR declaration 01 ENAME PIC X(15) VARYING. I just had a brief look at this code and I think you are not using the 'write subfile' command. There are some shortcuts, like library routines, and certainly something like COBOL was a big step simply because it abstracted away the complete decomposition down to individual CPU instructions, but even at it's level reading/writing files, user interaction, communicating with peripherals, etc, etc, isn't so simple that it's obvious to everyone. Explore the COBOL Connection for more examples of COBOL programming techniques and sample.