What is an efficient solution/technology (other than ETL) to do a near real-time replication of data from a VSAM file (Mainframe) to an RDBMS (outside Mainframe) ? Note: This VSAM file has COM3 da...

I'm working on a Wrapper/Bridge COBOL program that handles program calls and performs cross-cutting operations like logging,security-check etc. Main motivation is checking the security access for ...

I'm making a C# program that will be able to dynamically read an IBM HOST Copybook written in COBOL and generate an SQL table off of it. Once the table is generated I can upload a file into my prog...

I am aware that it was implemented on the IBM 360 mainframe architecture but does anyone know what language(s) were used in particular? Supposedly the bulk of it was programmed and deployed in 3-4 ...

In the past I have used BPXBATCH to execute java class files from JCL. I would like to move to using the custom JVM launcher as IBM recommends in the link below. http://www.ibm.com/developerworks/s...

I have encountered these terms in a data file definition document for some data that I'm getting from a Mainframe system. I failed to find definitions of these terms in any glossary or Google sear...

In COBOL for an IBM Mainframe is it possible to call a paragraph recursively? 200-PARAGRAPH SECTION. IF WS-COUNTER < 10 ADD 1 TO WS-COUNTER PERFORM 200-PARAGRAPH ELSE DISPLAY 'I'M DONE' ...

I want the data to be in decimal format in the spool. How can I print the data with decimal points. I have used Pic 99v99 for my data-definition, but it is not showing a decimal-point in the re...

We have SSH-based file transfer scripts currently set up for Linux-to-Linux and we're porting them to z/OS to go z/OS-to-Linux. Note that this is with USS, the UNIX system services within z/OS othe...

When I am sending a Variable length file from Mainframe Connect direct to UNIX box, the file on UNIX have some extra bytes on the beginning of the Mainframe file, I tried using different SYSOPTS op...

I'm trying to create and delete a dataset with a JCL symbol in the dataset name this way: // SET DATE=20110809 //* DELETE DATASET //DEL01 EXEC PGM=IDCAMS //SYSPRINT DD SYSOUT=* //SYSIN DD * DELET...

I have a LAMP (PHP) web app which need to interface with programs on an IBM 3270 mainframe (via Microsoft SNA Server). One solution I'm looking at is screen-scraping via 3270. (I'm integratin...

How can I convert a mainframe binary file (EBCDIC) having cobol copybook as record layout information to ASCII file by keeping in mind regarding the packed and zoned decimal format using any Java A...

I have to find some logic from an old legacy code. My manager says is COBOL, I'm not sure about it. I have tried to find some keywords on cobol tutorials without any luck. Here are some code snip...

I am getting compilation error as, A "COPY" statement with "REPLACING" phrase was found within a nested "COPY". This is our compilation setting that we can not use REPLACING verb in nested copy....

I have two input files, each with length of 5200 bytes. A seven byte key is used to compare both files, if there is a match then it needs to be written to "match" file but while writing to match fi...

I am trying to understand the differences between pseudo conversational and conversational CICS programming. What are the advantages and disadvantages of each approach?

I'm having issues getting the C sockets API to work properly in C++ on z/OS. Although I am including sys/socket.h, I still get compile time errors telling me that AF_INET is not defined. Am I missi...

I have some Perl code (for performance analysis) first developed under Linux which now needs to be ported to the mainframe. Apparently REXX is the scripting language of choice on that platform but ...

I've been looking into the history of computing. I'm just wondering if Mainframes & Minicomputers are still in use? I mean now a days PC's are very many times faster than mainframes in 90...

I've been coding and managing Java & ASP.Net applications & servers for my entire career. Now I'm being directed towards involvement in mainframes, ie z/OS & JCL, and I'm finding ...

It seems like old iron is rock solid software. Why is that? Is it because the software is so mature, that all the bugs have been worked out? Or is it because people have gotten so used to the bugs ...

I work for a large corporation that runs a lot of x86 based servers on which we run JVMs. We have experimented successfully with VMWare ESX to get better usage out of our data center. But these s...

My colleagues and I have several hundred SQL stored procedures sitting on a hosted DB2/z database (version 8.1). We have no administrator rights and our access to the database is via QMF screens. D...

How is it possible to connect a mainframe with a PC running Windows?.Is it still regarded a mainframe as a computer with a high processing power running Unix or IBM System360