Expand copybook in cobol program using rexx

Is it possible to call a cobol program from a rexx program, using the copy book to pass some parameters and finally call this program, like it is done in a cobol program call g10cpgm using g10w0600comregion where g10cpgm is the cobol program being called. I am trying to call a cobol db2 program using rexx. Rexx can make your daily mainframe life even better. I want to write a rexx procedure calling a cobol program in a os390 mvs environment. What will happen if you code go back instead of stop run in a stand alone cobol program. I am not disagreeing with your answer but i believe that it is absurd that we still have to do this in 1999.

I used to know rexx very well, though on the vmcms environment. How to expand a copybook while looking into the source code hi, is there any tso command or any ispf command which will help me to expand my copybook while looking into the source code. Pds member list associated with ddname stack overflow. Itll be handy being able to use rexx with ref mod and rexxnum inside computations. The hexaware team has developed a rexx routine which expanded all external copybooks used in the cobol module itself. Eaggxcob for calling irxexec ibm compiler and library for rexx on zseries v1r4 users guide and reference sh19816005 this is the eaggxcob sample for calling irxexec from a cobol program. The expanded copybook view with replaced values is readonly which is.

Create an indented structure report for cobol source. Cobol copybook expansion tool xp in rexx mainframes 360. If you havent checked out the member, you cant save your changes. Also, if there is any routine that u have writen or coded to convert a cobol copybook to a easytrieve layout. Please note that you need to use this as edit macro by typing the macro name example. But the current problem with this assembler program is that it cannot handle nested copy statements i. Cobol copy and include statements f1 for mainframe. In the level field, specify the source level value to identify the cobol redefines or the pli union clauses for generating new record layouts. Repetitive tasks which are tedious, and require manual labour can be automated using rexx. Expandeddirectory is a copybook which ive pastedin for you. From the copybook selection panel, type an x in the cmd field next to the required copybook member to display the redefines range specifications popup panel. Copy statement within a copybook is handled incorrectly. Pli or c callers must alter the include member to add user storage to the area.

You can place cursor at any position on the line where you have dataset name in the jcl which obviously is preceded by dsname or dsn and use this tool to open the dataset right there without going to 3. If you took up the c programming course as one of your subjects, while you were in college, its easy to realise cobol copybooks work just like include header files statement in c. Cobol, c, rexx, assembler, and pli call formats zos communications server. Previously, for a similar kind of work i referred the code snippet to expand copybooks. Just like you use the find, change, save commands in the ispf editor, you may code your very own custom commands using rexx. Is somebody can send me some samples or say me where i can look for. I want a guide through a rexx tool which expand couple of fields in the working storage section of cobol programs.

I have an assembler program which is part of a tool which expands the copy statements in a cobol program. To many people who are thrown to work at a mainframe computer on their first job, they feel lost. If you use copybooks in the program that you are compiling, you can. Cobol copybooks need to be imported into its databases using the cobol editor.

On return to the rexx program, the rexx would automatically have the updated variables available to it. Does anyone know why this will not work or is there a better way to pass a parameter to a rexx program from a cobol or cl program. Can any one please help me in getting any program or utility or any other algorithm that can convert a cobol copybook to a ddl of a table. Hi, is it possible in rexx program by taking reference as cobol copy book and need to write the data in other files,i want it to be done with the help from rexx so that this tool becomes independant of any hardcoded values, so that in case my copybook structure changes in future, i dont have to change rexx. Is it possible to save the view record layout for the copybook i view through fileaid. I have created this simple tool to expand copybooks inline within a cobol source program. Hi everyone, i am working on a rexx code which would expand all submodules inside the calling program. It takes a long time to toggle and analyze as we have to jump from one window to another to see fields in each copybook and continue with.

I dont know how to declare the linkage in the cobol program and how to pass the parameters. In the cobol program i want to write some vars in the rexx environment. This output contains the expanded source of the rexx program. In cobol, include membername must not be specified in other than the data division or procedure division note. Cobol copybook to xml converter cb2xml copybook to xml is a cobol copybook to xml converter written in java and based on the sable.

In my rexx i allocate a dataset for the sysout and whatever is displayed by the coboldb2 program i extract and display that. Online project with cobol and rexx 1 comment hi guys, i got one realtime processing project with cobol and rexx. Calling a noncobol program from a cobol program on os390. Generic rexx utility expand external cobol copybooks sameer. This will be really helpful for melooking for reply and your help in this regard. The reason i am basing the root program in rexx is for the extensive string handling and datatype conversions that are not as robust in other languages. Conversion of cobol copybooks to easytrieve format. I want to scan the code at night only one time for every during the day changed program. This project is using ispf services to invoke the load module. This editor works directly off a cobol copybook but is slightly less capable than the main editor particular for files with multiple record layouts. If the cobol program is running ispf you could pass values back and forth using the ispf shared or profile pools.

As a mainframe programmer or designer, we would have done the impact analysis of changing a component be it a copybook or a sysin card. Cobol code on mvs, broken down into many pds members, using. For that, what kind of code is required in a cobol to call a rexx exec. Another method is for the cobol program to call irxexcom, which can modify the value of variables in the rexx function pool.

Is there a way using rexx to edit a ps dataset and insert a string after a particular line. Convert cobol copybook to fileaid copybook rexx tektips. You will need to write simple rexx program which will read whole cobol program to stem variable. Cobol program used in the cics scenario with copybook with exec. Call a rexx exec and have it address the calling program. Internally, rexx does data coercion as needed by context, but this will be made to work in a sane way. Resolvingexpanding all copy statements to make single. Hi, im trying to call a rexx exec using cobol program. Examples of using linkmvs, attchmvs, and call to invoke a. Hi, i have my cobol code on mvs, broken down into many pds members, using copy statements to pull the pieces together in the compile step. The recordeditor can edit cobol data files in 2 ways.

Loadlibmlbchgmd i need to be able to pass to fields as parms to this program. Small tools developed with rexx will be really helpful on a day to day basis. If you always end your subroutines with a comment that names the subroutine, youll see that, too. Give b in linenumber of which copybook you want to open or expand. This is because toplevel scripts cant really be trapped, as they need to generate valid tokenized code for the. I am planning to using clist language for this purpose.

Rexx programs you can talk to other software applications that run on the mainframe. You can invoke irxexec from a rexx exec or a program in any address space to run a rexx exec. So include can also have just cobol statements like copy copybook and can be used in place of copy in a cobol program. Rexx tool to expand a field in list of cobol modules. Id like a toolutility that will resolve all of the copy statements, replacing them with the copyd member, leaving me with a single file that is a complete cobol program compilerready. Ibm websphere application server for zos gives fault analyzer expanded. Conversion allows for transformation of the xml produced, to create useful bits of code using xslt cobol. Hello all, i am trying to prepare a tool which can expand a copybook used in a cobol program, this will help.

The cobol program basically accepts the customer number which is passed as a parameter and it displays the customer name. Or worse, if your source control system or racf etc doesnt stop you and it stores members. Excopy then put the cursor in the line having the copy statement and then press enter key. Generic rexx utility expand external cobol copybooks. If you need to convert data on a daily, weekly, or monthly basis, we can write a custom program to convert and q. The cobol program below calls the above listed rexx sample exec as stored in the temporary dataset using the tso service irxexec.

Because cc auditor offers no function to expand the code copysql include i will try to do it using db2precompile and compile. In the rexx exec now i am calling this program address tso call sys4. Then read each line of cobol and find out the copy book members. Cobol and assembler callers can append storage within the calling program to the area defined in the cobol copy member or assembler macro. What the cobol compiler would do is expand this copybook inline. How a copybook is expanded using cobol compiler ibm cobol.

Hi, could any one let me know how to convert a cobol copybook to a fileaid copybook using rexx. Any assistance on what the rexx command would look like would be great. Using irxexec instead of the irxjcl routine or, in tsoe, the exec command processor to invoke an exec provides more flexibility. Also i would welcome other considerations for this process the cobol program could be called many, many times, depending on the data needed and returned for processing. The zos agent runs in unix system services, and you use rexx scripts in. Resolvingexpanding all copy statements to make single cobol. User application data consists of the application data programs, copybooks, jcl, and so on. Read the copybook member in another stem variable and then keep inserting copybook stemmed data to first one to get the third stem variable. If you want to make changes to the copybook and you are using a source control system librarian, sclm, endevor, changeman, etc, be sure that you open it in a way that your source control system understands. What guidelines should be followed to write a structured cobol program. Our experience in automating the conversion process results in significantly lower cost, and excellent qualitycontrol. There are three 3 ispf edit macros here, so you must partition this single item into three pieces. Syntax errors to syserr mostly the first s10syntax does not halt the cobol program, but it does spew rexx errors to syserr the second is properly trapped, by the signal on instruction, but uses interpret the third and fourth are back to spewing to syserr.

If you would like to see the copybook in the cobol program itself then you can use the below rexx edit macro. This is the cobol parser translator, written in rexx, that parses the source identified by the source ddname. Functions one of the functions of an sclm parser is to determine a modules dependencies. Calling rexx from cobol ibm compiler and library for rexx on zseries v1r4 users guide and reference sh19816005 the following samples show how to call a rexx exec from a cobol program under zos. Examples of using linkmvs, attchmvs, and call to invoke a program zos tsoe rexx reference sa32097200 the linkmvs and attchmvs address environments can be used to invoke a program normally invoked as a batch job, as can the tso call command. Pause while all the copybooks are expanded, and wait for it to complete. I want to pass one data item to rexx and two different data items should bereturned to the cobol program. I have an requirement in which i have to expand the copybook layout with the starting position and the length of each field.

By any chance, did you mean to expand the copybooks embedded in the line of codes. You can also invoke irxjcl from a rexx exec or a program in any address space to run a rexx exec. Hi, does somebody know a tool to expand copybooks and dclgen in the same way the compiler does, but without the real compile. Please let me know if this is possible using clist. Expanding a copybook called in cobol using clist ibm mainframe. Enter the copybook library, you would like to search in, for the copybooks. In the cobol program using rexx can we expand the copybooks then and there instead of going to coybooklibrary and look for it there. A practical guide to setting up and using sclm ibm redbooks. Conversion of cobol copybooks to easytrieve format showing 14 of 4 messages. In other words, the cobol compiler substitutes the copybook code in your cobol program.