I want to change thse fields unpacking them and reformatting as a numeric field. The field contains a value of onehundredtwentythree or 00123. Is it possible to move a comp3 variable to an alphanumeric variable directly. Experience rewriting mainframe easytrieve programs into micro focus cobol programs. Numerical calculations need your skill in dealing with cobol comp3 variables. Db2 precompiler if embedded sql used, cics translator if cics pgm, cobol compiler, link editor. The cobol move statement does not directly correspond to the easytrieve plus move. What are the steps you go through while creating a cobol program executable. Cobol forces a c sign in positive zoned decimal numeric fields. You need to make sure your receiving field starts are zero. Converting signed numeric field to packed decimal using easytrieve would an approriate title. More moving a packed decimal to numeric in ezt ibm mainframe. Hercules is osi certified open source software licensed under the terms of the q public licence. The best mainframes interview questions updated 2020.
When an application abend abnormal endofjob occurs, zos stops executing your program, closes files and buffers and generates a single highlevel message in the form of a system completion code sxxx. This is true for signed fields defined with decimal places, such as quantity, and for unsigned fields fields defined without decimal places. Introduction this suite of test cases describes how to convert between the various numeric formats or data types such as display, comp, comp3 or decimal, binary and packed used with cobol and on an ibm mainframe system. One version contains code using ca easytrieve plus, and the other contains the cobol code generated by the ibm migration utility imu. For example uvsort replaces the unixlinux system sort which cannot sort fixed length records without linefeeds or sort on. Decimal positions for numeric data items, you can indicate the number of decimal places 0 18 by adding the appropriate numeric value after the data format value. Move function currentdate to wscurrentdatedata this function returns a 20character alphanumeric field in the below format 01 wscurrentdatedata.
Most of these files are ebcdic encoded which contain packed numbers comp3. End if and end evaluate are the examples of command terminators. Control reports print total lines in addition to detail lines optional. If you want a packeddecimal number to be humanreadable with a sign then you will need to convert it into another format, a numeric edited format. Unpack cobol packed fields during ftp if i remember my cobol right, a comp3 has 4 bits per digit 2 digits per byte and the last digit is a overpunch of the sign. Comp, or binary, number of bytes, easytrieve variable. Comp3 is pressed decimal portrayal of information and is utilized to spare space. First, t here is a link to manuals at the top of the page.
The example below helps you how to use comp3 variables in your cobol program. Comp and comp3 equivalent variables in easytrieve use this code. By clicking here, you understand that we use cookies to improve your experience on our website. Cobol numeric formats, convert numeric formats using cobol. The easiest way to do this is to use a separate character for the sign either leading or trailing with display. Explore the packeddecimal or comp 3 format for numeric data strings. Second, if you do this, you will find that a comp3 field is a numeric field to cobol and can be directly displayed without any issues at all as my code shows. Hercules runs under linux, windows, solaris, freebsd, and mac os x. Interpreting comp3 packed decimal fields into numeric values. Sort convert pd to zd in displayable format zdf f1. Hence is there a way where we can read pd and convert it in to numeric or alphanumeric i tried an option by changing file format from p. This data type originated in the days of punchcards. Binary or comp format, a description and discussion. Unable to unpack comp 3 to numeric in java stack overflow.
Solved how do i set up a cobol comp3 data field in excel. Cobol comp3 is a binary field type that puts packs two digits into each byte. Since the packeddecimal format stores a digit in each nibble 2 digits per byte the actual field size is only three 3 bytes. Moving numeric values between variables in easytrieve use this. Mainframe sources in data warehouse etl toolkit tutorial. I am having the same problem in my code as in moving a packed decimal to numeric in easytrieve my code fragment is. In the first instance you move a literal numeric value 112011 to a packed decimal field and the compiler converts it to the correct data type in. The old team used easytrieve software to write cobollike scripts to parse source files and convert them into something readable, but these scripts are extremely difficult to maintain and can only run on 32bit machines. Dear readers, these cobol interview questions have been designed especially to get you acquainted with the nature of questions you may encounter during your interview for the subject of cobol programming language. Ibm vs cobol ii clauses, corresponding s370fxxx formatsinformats. Click on it, find the cobol language reference and programming guide manuals. Is there any better way to convert mainframe comp3 or comp data type into unix or nt comp3 or comp data. Easytrieve is a report generator product of ca technologies. In many mainframe systems, most if not all numeric data is stored in comp3 format.
May confront particular information case s0c7 blunder in the event that if the field is utilized as a part of any computation. By eight byte to you pic pic 915 comp 3 or pic 98 comp 3. Easytrieve plus seems to be ignoring the bad sign, orring it with xf0. What is the difference between comp and comp3 usage. For a 2 byte comp3 field, create a cobol copybook with. For a partitioned database pds, you can browse, edit, and copy an individual member or the entire dataset. Hi in the output define that field as numeric and move it. Just use the assignment statement using equal symbol.
Cobol data types data division is used to define the variables used in a program. Move statement does not transfer the value in numeric form ie. The following table shows the structure of a five digit numeric field using the packeddecimal format i. This numeric structure is supported by cobol and may be explicitly defined with the usage is comp 3 clause. Currentdate is cobol intrinsic function to get current date, time and difference between current location time and greenwich mean time. But the mf team was just curious if i could send in comp3 by any chance. These field are formatted as packed data fields with the format, issdt w 4 p. P stands for packed in easytrieve variable declaration. Hi, can i move comp3 variable directly to another comp3 variable. Responsible for software development using cobol, jcl, cics, db2.
Working with packed decimal and zoned decimal data. Solved packed decimal to numeric or alphanumeric topic. Provide three example of software projects that would be amenable to the incremental model. I used to use a report writer program named easytrieve that could read packed decimals. Pakvar pic s915 comp 3 equals pakvar 1 8 p 0 in easytrieve speak. It was a quick and easy report to convert those fields. Jul 30, 2016 zoned decimal and packed decimal comp 3 fields. The zero after p specifies the number of digits after decimal point implicit. This is because, move will work fine, if the hexadecimally stored values are compatible. This download contains 7 different sample programs, with two versions for each sample.
I want to write this field in an output field as a. The cobol move behaves like the easytrieve plus assign statement. You need to redefine the char field either in ws or where it is defined in the input file. Hi, can i generate a comp3 formatted data from oracle to be sent to mainframes. The information in this manual was furnished by transiom software, inc. The report body contains the only difference between standard and control report contents. Easytrieve forces an f sign in positive zoned decimal numeric fields. To change this to readable format, you need to convert these numbers into zoned decimal zd format. I want to convert packed decimal to numeric using easytrieve clientnum 1 6 p 0. To describe data in cobol, one must understand the following terms. Easytrieve define wsvariable w 1 n define wsvariable w 1 n. I have tried the following on ibm mainframe cobol, and got these results.
See the complete profile on linkedin and discover remos. The download also contains a sample jcl file generated by. Ibm code samples showing generated cobol vs ca easytrieve. This is an overview of the numeric, packeddecimal format also referred to as a packed data, packed numeric or comp3 field used on ibm mainframe systems in an ebcdic environment. Q20 can the values of alphanumeric be moved to variable numeric. Two computer codes which are used for internal representation of data are ebcdic and ascii.
The fractional part of the number is determined by the informat or format because there is. Comp3 usage clause is applicable for numeric data type. Production supportapplication testing software defect and ibm mainframe cobol abend research. Cobol comp variables speed up your execution time and save your storage space. Htwcs automatic easytrieve to cobol conversion htwc 2change language conversion services boosts a library of success cases of clients who successfully converted their easytrieve applications to cobol, tapping into the many advantages inherent overview easytrieve was developed originally by pansophic systems in the 1960s. Code for converison from comp to comp3 how to find the number of duplicates in a file using sort. The following examples use two control fields state and zip containing data that is two and five bytes long, respectively, and one quantitative field paynet containing numeric. Numbers and formats, internal numeric structures for a mainframe. The cobol programs comply with ansi85 and run with cobol2, cobol for mvs. Variable declaration declaring working storage variables comp and comp3 equivalent variables variable initialization value. Conversion of comp3 to signed numeric for summing i am trying to take a comp3 field and do a sum on it. Mainframe sources in data warehouse etl toolkit tutorial 09.
Ascii program can not distinguish between binary fields and text fields. As the packed decimal is amount which shud be numeric but the declaration done is in packed decimal i. Cobol represents this type of field by an s in the picture clause of a display field i. I have done a fair bit of reading, did try out a few ways but i have consistently managed to fail to accomplish what is required. Migration utility validates the field sign at execution time and causes data exception when the sign is not valid. Move identifier1 literal1 to identifier2 we can move smaller field to bigger field we cannot move bigger field to sm. The cobol picture and usage are used to determine the data type and the corresponding sas informat. Me considero afortunada porque puedo trabajar desde casa, como muchos otros companeros coboleros. There is a numeric data type commonly used in cobol files on ibm mainframes which is called signed also called ibm signed, or zoned. Comp and comp3 equivalent variables in easytrieve use.
Platforms supporting packed decimal and zoned decimal data some platforms have native instructions to support packed and zoned decimal data, while others must use software to emulate the computations. Dec 14, 2017 this field needs to be moved to a report and displayed in readable numeric format i. Sort convert pd to zd and bi to zd f1 for mainframe. Jul 10, 2015 move is such a crucial cobol reserved word. When you post the same question in multiple forums, you can cause confusion and frustration for the people that are attempting to help you. Comp3 is used for packed decimal values it allows s 9 v mostly it is useful for decimal calculation values. If you redefine a char field to numeric you should do a numeric test on the field before using it as.
Any chance you could convert the numbers on the mainframe side. To convert that field in easytrieve plus, youd need to write some code, a loop starting at the right, ignoring blanks. The most pervasive of these formats is comp3, also known as packednumeric. Sort convert pd to zd and bi to zd in most of the scenarios, your input file has data either in packed decimal comp3 format or binary comp format which is not in readable format. Length specified in easytrieve always specifies the number of bytes occupied and not number of digits. Can you call an os vs cobol pgm from a vs cobol ii pgm. Packed decimal representation stores decimal data with exact precision. Ebcdic to ascii conversion of ibm signed fields zoned, over. Easytrieve classic and easytrieve plus are two available versions of this programming languages primarily designed to generate reports and are used by large corporations operating in mainframe zos, zvm, zvse, unix, linux, and microsoft windows environments. This example also illustrates how to display the actual hexadecimal or hex dump content of a numeric field using a callable dump routine. Numeric formats include binary, packed decimal and zoned decimal. View remo morettinis profile on linkedin, the worlds largest professional community. How do you convert a char to numeric in easytrieve.
To transfer a binary file has comp, comp3 etc from the mainframe to windows nix box. When you want to move a value from one numeric packedbinary variable to another numeric packed comp3 binary comp variable, never use the move verb. Display usage would use characters and comp 3 would use 7 with two digits per character and with either usage the sign is in the high order nybble of the loworder byte. These 8 bits can be broken into two 4 bit segments.
This numeric structure is supported by cobol and may be used with an editmask to prepare the presentation for readability by human beings. A 10byte packed decimal field that contains the number of detail records in a control break. Look there later after one of the kind moderators moves it for you. Although i do not know of any prebuilt utility, perl is quite capable of parsing text data see packunpack function. Easytrieve guide for mainframe programmers 4 of 20 srinimf.
Easytrieve sample program display employee data f1 for. Default report heading for a field is the field name. To save disk space, software engineers devised creative formats to store numeric data using fewer bytes than the digits in the number. Youll have to transfer from first nonblank, byte at a time, ignoring. Comp is for binary usage, while comp3 indicates packed decimal. Cobol move, alphanumeric move, numeric move, decimal move.
Results 1 to 7 of 7 how do i set up a cobol comp3 data field in excel. How do you convert a char to numeric in easytrieve answers. Problem with cobol move to comp3 variable stack overflow. That is, the field types are considered and converted during the move, while the easytrieve plus move statement moves data. A numeric or numeric edited item receives data in such a way that the decimal point is aligned first and then filling of the receiving field takes place. Note that you can substitute comp3 for packeddecimal.
Sort convert pd to zd in displayable format zdf in most of the scenarios, your input file has data either in packed decimal comp3 format which is not in readable format. I have an easytrieve program that has a field called issdt, renewaldt, and exp dt. Remo morettini security officer nonprofit linkedin. When you want to move a value from one numericpackedbinary variable to another numericpacked comp3 binary comp variable. For zoned decimal, packed decimal, and unsigned packed decimal numbers numbers that are. Moving numeric values between variables in easytrieve. Zero suppression or insertion of editing symbols takes places according to the rules of editing pictures. If exit is used, it wont be more than only sentence within a paragraph. Mainframes developers required mumbai need a easytrieve logic of matching and replace a string cobol logic required very urgent compare two files based on key and date range comparing comp3 variable in sort. My answer was that we can move one comp3 to another comp3 but interview said what happen to the v in say var1 is comp3 pic 94v92 and var2 is pic 96v93. Pansophic also had a widely deployed software revision management tool called panvalet.
277 1600 244 1524 1118 430 1657 80 946 595 166 1345 1304 1598 1359 1123 28 1378 1005 775 630 1095 198 960 1163 1162 1451 1374 831 415 104 943