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Introduction to DataViewer
Cobol Data Files Everywhere
A lot of important data collected in the last 40 years by corporations and governments resides in Cobol data files.
Today languages other than Cobol are often used for data processing and programs in these languages need to read legacy Cobol data files. Also you may want to convert Cobol data files to modern formats such as CSV, DBF, Excel, Oracle, etc.
Data Readers do just that -- they convert Cobol data files to modern formats and make it available to programs in languages such as VB, C++, Java.
Why Reading Cobol Data Is Hard
Cobol data files do not contain information about their own organization and record structure. That is, if you have just a Cobol data file and you do not have a Cobol program capable of writing or reading this file, you cannot correctly interpret the data contained in this file.
For every Cobol data file that you want to be able to read and interpret, you need the following:
Even if you have all 3 components as described above, reading and interpreting the data is still difficult: