Cobol Flat File Example

Page 6 of 27 3. Work file is used to hold records while the sort process is in progress. COBOL supports 3 types of files. FieldDelimiter This property replaces the “FieldStartDelimiter” and “FieldEndDelimiter” properties of the DataPort. PeopleSoft does offer File layouts to parse CSV files in native format, but I would like to introduce you to an open source library, OpenCSV which can. Files that have to be uploaded can be small or huge - about several gigabytes in size. Empty spaces are filled with pad characters. Start by getting the COBOL copybook for the file. There is another way to import flat files. Wallet has a zip around closure. Condition Names - Level 88 Condition names say exactly what they do - they give a name to a condition. A list of names, addresses, and phone numbers written by hand on a sheet of paper is a flat-file database. Please provide me a way. The CobolToXml package will convert Cobol Data files to/from Xml. CAO points calculator. data-access/mf Specific data file reader. There is a speed penalty. select in-file assign to disk organization is line sequential. cbl) is the COBOL program that generates various file status codes and then calls the COBOL routine that does the conversion to a four byte, numeric field that may be displayed. 0 Handling COBOL source file 3. Parse trees and symbol tables are generally not flat text files. This topic covers the redefines in COBOL & its usage, syntax, declaration, valid & Invalid redefines cases. How to load the cobal flat file into seprate target tables. As this is a C program it can use standard file access commands to achieve whatever you want. Creating a line sequential file: file-control. It copes with COBOL files (in EBCDIC) and even COBOL Copybook (or DDE) definitions. Set the Field Size to the correct length for each Field. A Cobol Copybook is a textual description about the file structure and is commonly used in mainframe environments often. 04 ln-type-lnq pic 9. However, a COBOL file has some unique properties to consider when you configure. Let's create a sample flat file that is comma-separated for storing information about customers as shown in Listing 1. txt" and it is loaded in the fixed path "F:\Practice_SQL\SSIS\SSIS Examples\Dynamic Connection" in our case. Mainframe) file formats, both Text and binary files. How to read files written with COBOL. The code to reproduce the examples can be found here…. Go by Example: Writing Files. csv file (just change the file name to the name of the Excel file). Another approach could be to use Cobol Copybooks with Data Services. An example of a flat file is an ASCII binary file. com Mar 1, 2012 8:51 AM ( in response to user165097 ) If you can identify a field which tells that a record is a header or a footer, than you should be able to treat them as just two more record types in the file. I tried to parse it myself then started to realize an unforeseen edge case might bite me in the future. Declarative clauses for AT END may also be specified, but some programmers prefer explicit FILE STATUS testing. And in SSIS by making use of ‘Flat File Source’ component we can read them very easily. Because a COBOL program tries to open the base cluster more than once when AIXs are used, the open statement will fail unless sharing is specified. The file format, as it is used in Microsoft Excel, has become a pseudo standard throughout the industry, even among non-Microsoft platforms. The input file is the output of a COBOL program pulling data from a DB2 database which is then brought to the PC via FTP. And most importantly, a flat or LOG picture profile is missing. data to one or more flat files as shown in Below Figure: The stage executes in parallel mode by default if reading multiple files but executes sequentially if it is only reading one file. COBOL files often contain multiple instances of the same type of data within the same record. Python Forums on Bytes. They provide an interface to legacy files. It can be used as reference for an external table and it can mapped as a source or target file in a mapping. FD FILE-IN RECORDING. In this example, instead of creating a sorted file which is read to create the report; the report is created directly from the OUTPUT PROCEDURE. record-name-1 is the name of a logical record in the File Section of the Data Division and may be qualified. A flat file database is one every data is stored in a single file. A copybook may be included in more than one COBOL program, and a program may include more than one copybook. SSIS Tips: Handling Embedded Text Qualifiers in SSIS Flat File Source Recently in one of my projects there was a case where I had to transfer the data from flat file to SQLServer table. An example of a flat file is an ASCII binary file. XML Discussion Forums,Flat File (From mainframe COBOL Programs with Copybook) to XML conversion. Requirement & Preface. Hi, I'm looking for some sample or public COBOL copybook and associated data files so that I can test some code for converting COBOL data types. For example: CONNECT TO 'testOOB' USER 'sqlserverusername. COBOL Program to read a flat file sequentially and write it to an output file, not able to read at all loop is going infinite. In other words, a file of one record with an infinite length. txt 1, Adjustable Race, AR-5381 2, Bearing Ball, BA-8327 3, BB Ball Bearing, BE-2349 4,Headset Ball Bearings, BE-2908 The schema for this file should be ProductId, Name, ProductNumber. Sample VBScript to Create a File. COBOL-IT technicians and certified COBOL-IT partners can help you navigate through these issues and greatly shorten your transition time, saving you a lot of money. In using COBOL on PC we have only flat files and the programs can access only limited storage, whereas in VS COBOL II on M/F the programs can access up to 16MB or 2GB depending on the addressing and can use VSAM files to make I/O operations faster. This is the Python3. RM/COBOL Syntax Summary 1. PROGRAM WITH HEADERS This program modifies the first sample program to include headers above the columns in the printed report (if the report has multiple pages, this program will only print the headers on the first page - later we will deal with headers on every page). 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. 02 AGCODE1 PIC X (3). However, a COBOL file has some unique properties to consider when you configure. Do you need to store tremendous amount of records within your app?. Because a COBOL program tries to open the base cluster more than once when AIXs are used, the open statement will fail unless sharing is specified. This is typically used to provide an import/export function for services, software and databases that represents data in a neutral format. This first type of temporary table is known as a created temporary table. Myth: SAS cannot process an external file until it is read into a SAS dataset. identification division. Then select Rebuild ProjectX from the BUILD menu and keep doing that until you are happy with it. LABEL RECORDS ARE OMITTED DATA RECORD IS Input-Record. When the Designer analyzes the file, it creates a different column for each OCCURS statement in the COBOL file. XML Discussion Forums,Flat File (From mainframe COBOL Programs with Copybook) to XML conversion. Even when SSIS allows us to select the code page for the file to import sometimes it is not that easy. Here, flat files are files containing records having no structured relationship among them. h, library file access. Export Netezza Data with Quoted Values into Flat File using nz_select_quoted_data. It will compare two VSAM, Keyed-Sequence-Data-Sets (KSDS). Mainframe Cobol Tutorial Part 8,This cobol tutorial is basics tutorial on Files, it gives introduction to Files concept and gives a basic idea to start working on files in cobol programming. # re: BizTalk: Using the Flat File Mapping Wizard to map a NACHA financial file The information shared is very useful. In this post, I am sharing a demonstration of BULK INSERT for inserting data from flat file into the table of SQL Server. At this point you will need to do the COBOL programming part. This sample preprocessor converts COBOL source code from ANSI format to terminal format, and can be used with the ACUCOBOL-GT compiler's (version 5. First you need to create a new flat file and save it as product. Data Records from Flat File (COBOL Style) I almost forgot the dots. Refer to the "NetCOBOL User's Guide" for further details on using NetCOBOL. However, SAS stops before it reaches the. Read and Write Flat Fixed width files (Text and Binary) via either a Xml-Record-Layout or a Cobol Copybook. 0 Handling COBOL source file 3. Typing in this information. After set the Parameters, Go to the CFF_table_input Properties – From the File Options tab, Provide the file name of the Complex Flat File. 02 lnrqst-key. This has the effect of making the program simpler and shorter, since we no longer need all the sorted file declarations. Cobol copy book has definition of all the fields presen t in the data file along with the level and occurence information. com Mar 1, 2012 8:51 AM ( in response to user165097 ) If you can identify a field which tells that a record is a header or a footer, than you should be able to treat them as just two more record types in the file. On each flat file row you have to put info for the PID, OBR, OBX and OCR segments. Covers topics like Introduction to String handling, String handling statements, Inspect, String, Unstring etc. 05 STUDENT-ID PIC 9 (5). delimited), Copy and paste text into a management window, or, Create a new database from scratch. Explanations of user-supplied information (lowercase text in the example) are shown after the code. aka Windows, Linux. Support for various Flat file formats (Fixed, Delimited, Length based Files (i. We have the tools to properly convert both fixed-length tables and variable-length tables, including nested tables, in either EBCDIC or ASCII. txt) and converting the file to xml. A guide to converting an Excel spreadsheet to a flat file format for importing into HEPCAT 9 2. Files that have to be uploaded can be small or huge - about several gigabytes in size. I have to read/write the flat file in zos as a input file in spring batch and do some processing. Typically, programs that exchange data in this way are compiled with the same copybook file. Your COBOL source file may already be in the COBOL file format, or it may be a COBOL copybook. You should move COBOL program data into a real database instead of using flat files because databases open the use of your data to other programs and analytics. Sometimes the copybook section is taken out of the COBOL file and saved as a separate file because of its length. With OSB you can easy transform a formatted flat file to a xml. To create a logical file, again enter your source statements in a DDS source file member named "CUS01". Re: Cobol Source Code example - Help Please -- It sounds like the program compiled with one file and is running with another. You can use QMF to write table data to a flat file in either of the following ways: Use the EXPORT command. Please let me know how can i code this. In section E of the example scripts from MSDN, it is described how to use a format file. The numeric field is populated with some data and it will be written into the flat file with record format XYZ. Load Layout. 02 FILLER PIC X. After set the Parameters, Go to the CFF_table_input Properties – From the File Options tab, Provide the file name of the Complex Flat File. It does _not_ contain any attached "true length". How to compare two files in COBOL and print the common records into a flat file. The original flat file database was preserved but a data manipulation tier was automatically introduced to provide independent data manipulation, allowing for eventual upgrade to a relational system. Myth: Given a number of sorted flat files to be merged and written as a flat file, SAS will run out of space converting all of them to SAS files first. One disadvantage of a flat file is that it does not give you any structure or relations if you are planning to build a database with multiple flat files. The file must exist on the system before the program can run , except when you use dynamic file creation, by specifying GENOPT(*CRTF) on the CRTCBLPGM command. In the bottom centre of the wizard, provide a name for this Flat File Schema. Does TIBCO Clarity have Support for mainframe flat file with cobol cobybook layout ? Sep 04, 2018 - 11:56pm. 3 Source format. My flat file is multi-record, and each record is padded such that each record has a length of 6000 characters. For example, a COBOL file may include data about four different financial quarters, each stored in the same record. # re: SSIS and Unstructured Flat Files I am having a file with format like below. This time, learn how you can use a Mule flow to transform a Flat File to a Copybook. COBOL FILE STATUS Status Description 00 Successful completion 02 Indexed files only. For example, COBOL treats spaces & tabs very differently, so expect to run into weird errors. It includes the ability to select and modify the input records to the sort using the INPUT PROCEDURE and additionally to not only process the sorted file record by record but to also d. Relational database management systems (RDBMSs) provide a number of significant advantages over flat file systems (e. It is physically flat (that is, it has no pointers or other complicated infrastructure), but logically represents parent-child relationships. A CSV file is sometimes referred to as a flat file. PeopleSoft does offer File layouts to parse CSV files in native format, but I would like to introduce you to an open source library, OpenCSV which can. This post is in response to Fred’s request on ToD. As an example of this process, I'm going to use U. , it's difficult for multiple folk to use spreadsheets. One example of this is. 06/08/2017; 2 minutes to read; In this article. Includes example programs and sample implementation guideline for EDI 837P, 837I, 835, 834 271, 276 etc Retail/Business X12 EDI Example programs that demonstrate how to construct, translate and acknowledge EDI X12 files commonly used in business transactions e. com Mar 1, 2012 8:51 AM ( in response to user165097 ) If you can identify a field which tells that a record is a header or a footer, than you should be able to treat them as just two more record types in the file. Ex:I am having 2 records DCEC4000100 9159000050C those values are 5 bytes 'RAVI and 6 bytes '15000'. The RecordEditor is a Data File editor for Flat Files (delimited and fixed field position). CSV (Comma Separated value files). Compile Command. For example in this case there are three record types. A flat file connection is nothing but a link between a flat file format and the path to a flat file. You can use QMF to write table data to a flat file in either of the following ways: Use the EXPORT command. Reading Fixed-Width and Flat Files The data read from fixed-width and flat file text files can be imported into database tables or translated into other formats including Excel , delimited text and XML. dat" organization is line sequential. For example, in your programs we have used an indicator to tell whether we have reached end of file. These csv files contain data in various formats like Text and Numbers which should satisfy your need for testing. As long as the REPRO completes normally, you will not get a 97 when COBOL opens the file as the REPRO closed the file properly. Strangely, the noise floor is partially cut off by the way how the code values are distributed. The Flat File source reads data from a text file, which can be in a delimited, fixed width, or mixed format. One example of this is. Flat File Specification Version 3 for IUID Schema Version 4. ie if file is specified with the record width of 80 then all the records will have same width. COBOL - File Handling Verbs - File handling verbs are used to perform various operations on files. This is using the OPENROWSET functionality from TSQL. Note 7: If you don’t use the -Recurse parameter you will be warned if the folder contains files. BufferedWriter is used to write text to a character or byte stream. How to load the cobal flat file into seprate target tables. For example: CONNECT TO 'testOOB' USER 'sqlserverusername. Re: Cobol Source Code example - Help Please -- It sounds like the program compiled with one file and is running with another. This example includes JCL Members, Windows CMD Files and a COBOL programs. An example of a flat file is an ASCII binary file. Made of metal or wood, some vertical cabinets hang artwork and layouts so they are easy to look at and read. h, library file access. 1) you can query a flat file as if it were a table -- if the file is not accessible on the server, then yes, you'll have to write code, maintain code. VSAM File Access for COBOL. At this point you will need to do the COBOL programming part. The export utility exports data from a database to an operating system file, which, our expert explains, can be in one of several external file formats. , and of course you will want to close the file when done. TSRI's toolset automatically generated 100% of the C++ code using of the original COBOL as a template. And using Data Integration Suite's powerful extensibility mechanism, developers build custom XML converters for enterprise-specific file formats. Files are further classified into 3 types. Double quotes are used as escape characters. The example GETNAMES COBOL program above contains these compiler directives within the source. A flat file is a file that has no depth, i. Files are divided into records. program flow as follows: 1. The SQL field is a bit, SSIS defined the column as DT_BOOL, the output of the data are literal text values "TRUE" and "FALSE". It’s a great tool for producing data dumps, and it’s now included in the official GNU COBOL distributions. 00 * Patent leather marred on back of wallet from Brighton display case. This file should be defined in the File-Section under SD. For example in this case there are three record types. SSIS can handle various formats of flat files with varying code pages. com Mar 1, 2012 8:51 AM ( in response to user165097 ) If you can identify a field which tells that a record is a header or a footer, than you should be able to treat them as just two more record types in the file. So, External to the cobol program , using SORT utility, we can add a serial no column, and then SORT it in descending order based on that column and read the file sequentially in COBOL program. Java 8 write to file using BufferedWriter. , it's difficult for multiple folk to use spreadsheets. In both implementations, the flat file is pre-processed so that it is in a format for further processing -> For example mapping or splitting. Define the sort work-file with an SD entry (not an FD). Do not open the source file or destination file prior to the SORT (when using SORT with USING/GIVING option). data2flat The actual source for the Cobol Data File to Flat (CSV) Converter. We will also see how to create a flat file schema in order to read a flat file. Let me answer it from my end- Yes, we can handle the data without using files. There is a speed penalty. TSRI's toolset automatically generated 100% of the C++ code using of the original COBOL as a template. I categorize Mule's flat file function into three types: 1) the true flat file 2) structured flat file 3) COBOL Copybook. COBOL Tutorial studay material - sample cobol sequential file writing program DISPLAY "FILE OPEN SUCCESSFUL" ELSE DISPLAY "FILE OPENING ERROR" GO TO A100-EXIT END. This file should be defined in the File-Section under SD. I have used filler with value spaces, move spaces to the field or move " " to the field but the created file does not contain the trailing blanks. Both are file formats that represent relational data in a text file. Use FileStream with „using“ statement. The file format, as it is used in Microsoft Excel, has become a pseudo standard throughout the industry, even among non-Microsoft platforms. Copybooks often contain the name and data types of variables that associated COBOL programs, such as CICS COMMAREA, use to exchange information. NET Applications using COBOL. txt ==> pipe delimited after some manipulation of the original db (5 Replies). FILE STATUS variable is updated after each file operation. There are two common types of flat files: CSV (comma separated values) and delimited files. As this is a C program it can use standard file access commands to achieve whatever you want. Support for OS/VS COBOL, VS COBOL II, COBOL for OS/390 & VM and Enterprise COBOL for z/OS Previous topic • Next topic • 7 posts • Page 1 of 1 Update Db2 Table using flat file sequentially. The second file is a flat file, which has 70 thousand records. I am trying to read a text file generated in Mainframe. You can also type an optional description of the stage, which appears in the generated COBOL program. Ready to learn more? Contact us to receive more information, see a demonstration, or have a conversation. To access the database from COBOL, specify the Easysoft ODBC driver data source in a CONNECT statement. RELATIVE ORGANIZATION Sequential organization: In mainframe environment we have 2 types of sequential files. It is physically flat (that is, it has no pointers or other complicated infrastructure), but logically represents parent-child relationships. Download Sample CSV. For now though, I’ll keep using my good ol’ "COBDUMP" routine. DataAccess files: header files *. This post is in response to Fred’s request on ToD. BCP or BULK INSERT (SQL 7 only) can also be used to read in a flat file into a table, from where it can be processed. Convert Flat File to XML in BizTalk – Part 1: Creating FLAT File Schema In this blog post we will see how to read a flat file(. Clear All. The file must exist on the system before the program can run , except when you use dynamic file creation, by specifying GENOPT(*CRTF) on the CRTCBLPGM command. 05 S-NAME PIC A (25). The relevant coding is listed at the end of section 3. The example GETNAMES COBOL program above contains these compiler directives within the source. You are right that there seems to be something wrong with the sample input file. Sometimes those files contain information about something you are writing - in a word processor, for example. 06/08/2017; 2 minutes to read; In this article. You can check the the box Retain null values from the source ,if you want to retain the null values. delimited), Copy and paste text into a management window, or, Create a new database from scratch. These are basically control characters and might have different lengths thus affecting the output of my conversion job that reads flat file and creates an XML out of it. In section 3. A CSV File contains columns and rows like a spreadsheet, but the column boundaries are defined by commas between the field values. It copes with COBOL files (in EBCDIC) and even COBOL Copybook (or DDE) definitions. Click on the "Next" button to continue. csv (comma separated value) and XML files. We presented a basic Java program that generated the CSV file with standard "," as separator, optionally enclosed by quotes. ) A CSV file is a way to collect the data from any table so that it can be conveyed as input to another table-oriented application. Double click NewFile. A flat file may contain many fields, often, with duplicate data that are prone to data corruption. SIMOTIME TECHNOLOGIES. Using IDCAMS Repro. Click on the photo to view a larger image. In Teiid Designer, import the flat file to create models. Input file records are transferred to the work file for the sorting process. It was not easy to determine the maximum number of columns manually as files were huge. It does _not_ contain any attached "true length". Flat file schemas generally use inline element definitions, where each element is defined at the point it is used within a segment or composite structure, but you can also define elements separately and reference them as needed. Technical Information. It is just like any other aspx page with language attribute set to COBOL. Flat file (NON-VSAM Sequential file) 2. For those who are migrating from COBOL and writing. Java - Supports Java objects (used with the runtime API). International Technical Support Organization XML Processing Options on z/OS December 2009 SG24-7810-00. There is a speed penalty. Flat File Database A type of database based on a flat file. A flat file is a file that has no depth, i. When setting this to variable or fixed text, you do not longer have an XMLPort but a DataPort in disguise. Common IO routines across all File Types (XML, CSV, Fixed field Width). A flat file is a collection of information stored and accessed sequentially in a database, often created to store information in a non-structured way. FILE STATUS variable is updated after each file operation. See the chapter File Status for an explanation of file status, and how to use it. The FileHelpers are a free and easy to use. But a flat file. For those who are migrating from COBOL and writing. program flow as follows: 1. POST_FLAT_FILE_ORDER_ACKNOWLEDGEMENT_DATA. For example in this case there are three record types. package main. The filename of your CSV flat file. It sounds like the program compiled. In section E of the example scripts from MSDN, it is described how to use a format file. For example, Packed-Decimal fields are stored in Binary Coded Decimal in COBOL data-file. If you use the EXPORT command, the new or existing data set to which the data is to be written is specified in the EXPORT command. A flat database is much easier to understand and setup than a traditional database, but may be inadequate for any program that is frequently used or contains millions of entries. When I run the package the flat file definition fails with data type conversion and truncation errors. 04 ln-type-lnq pic 9. 3 What’s New in This Release. and name for each field specified in the flat file's format. You should move COBOL program data into a real database instead of using flat files because databases open the use of your data to other programs and analytics. What is VSAM normalizer transformation? The VSAM normalizer transformation is the source qualifier transformation for a COBOL source definition. If this is the case, then use filter transformation to filter the record with the static value. Chapter 15: File Status Code Tables. For an introduction to the BizTalk Flat File Schema Wizard, see How to Use BizTalk Flat File Schema Wizard. Sequential File; Indexed File; Relative organization File. Now that you have the file and the definition you can either use external tables or SQL Loader to work on the data. 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. Example of flat file that is used widely is spreadsheet. Whilst many modern applications exchange data in well defined standard ways (such as XML or JSON), the reality is that a great deal of data is still packaged in flat files (by which I mean comma separated values, or fixed width text files). There are two common types of flat files: CSV (comma separated values) and delimited files. 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. I have used filler with value spaces, move spaces to the field or move " " to the field but the created file does not contain the trailing blanks. I have to read/write the flat file in zos as a input file in spring batch and do some processing. This package provides support for using Fixed Width Flat files (and Delimited files) in Jasper Reports and Report Designers like iReports + other Report Designer that support the JRDataSourceProvider interface. …Let's look at this sample program called Employee. SAP HANA Support following type of files which will be available on client system as below –. suppose i read first record of VSAM file, then i read the flat file one by one till end and if the key matches any record in between, it is written in out file. In a typical IT environment, it is often necessary to import flat files to SQL Server tables. Myth: SAS cannot process an external file until it is read into a SAS dataset. These kinds of errors will normally result in termination of the program run, whereas using File Status can allow the programmer to deal with any such problems without the program run stopping and returning to the operating system. If we want to access that data easily from both the renderer and main, using the same API, we can use the node. I have a MF cobol program that creates a fixed length record of 300 characters. Because a COBOL program tries to open the base cluster more than once when AIXs are used, the open statement will fail unless sharing is specified. Batch job will start at start of each minute. This program reads IMS database segments and creates a sequential (flat) file that will be input into an IMS-to-DB2 database conversion program. Callable BimlScript (Callee) Flat file format that specifies the columns and delimeter used to extract a table from a. Amazon’s parent-child product variations are often used wrongly, sometimes by mistake and sometimes deliberately. Use FileStream with „using“ statement. We have the tools to properly convert both fixed-length tables and variable-length tables, including nested tables, in either EBCDIC or ASCII. Data is brought in from disk physical file is indicated in the environment division, file control section Data is parsed into memory locations data is put into buffers usually defined in the working storage section Data is manipulated Data is parsed into formatted output buffers. We carry Mayline five-drawer steel flat files, Mayline oak artist flat files, and a large selection of Safco steel flat files in various sizes, colors, and styles. Each record in a flat file can be processed one record at a time and decisions can be made based on the data inside each row. When setting this to variable or fixed text, you do not longer have an XMLPort but a DataPort in disguise. This topic covers the redefines in COBOL & its usage, syntax, declaration, valid & Invalid redefines cases. Each record are divided into fields which contains the information about data. COBOL sample program on how to access IMS segments. vbNetEdiToCsv - A sample programs that translates an EDI file into a CSV format text file. GnuCOBOL supports both fixed and free source format. select in -file assign to disk organization is line sequential. SSIS Step by Step 001 - Load data from a flat file. A delimited text file is a method of representing a table of data in a text file using characters to indicate a structure of columns and rows. To enable the data viewer, select the data path and right click. Delimited: Every column is delimited by a special character except the last column which is delimited by a new line character (Carriage return or line feed) {CR} {LF} Example: 1, Rama, MCA. Do you need to store tremendous amount of records within your app?. program-id. Import formats are CSV sample and COBOL copybook. It copes with COBOL files (in EBCDIC) and even COBOL Copybook (or DDE) definitions. The second file is a flat file, which has 70 thousand records. A "flat file" is a plain text or mixed text and binary file which usually contains one record per line[2] or 'physical' record (example on disc or tape). COBOL - File Handling Verbs - File handling verbs are used to perform various operations on files.