File Types Comparison : isCOBOL - Micro Focus COBOL - ACUCOBOL-GT - RM/COBOL |
File Types Comparison
isCOBOL - Micro Focus COBOL - ACUCOBOL-GT - RM/COBOL
The table below shows the compatibility between isCOBOL and other COBOLs with regards to sequential, relative and indexed files.
A green background means full compatibility (no action required) while a yellow background means that a data migration is required and can be accomplished easily using compilers and utilities provided by Veryant and the other COBOL vendor.
A red background means that a conversion program must be written. Contact your Veryant representative to discuss professional services to help in these cases.
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ACUCOBOL-GT |
Micro Focus |
RM/COBOL |
Binary Sequential with fixed-length records |
Veryant COBOL compatible |
Veryant COBOL compatible |
Veryant COBOL compatible |
Binary
Sequential with variable-length records |
Veryant COBOL compatible |
Requires conversion Follow the procedure outlined below |
Requires conversion Follow the procedure outlined below |
Line Sequential with fixed-length records |
Veryant COBOL compatible |
Veryant COBOL compatible |
Veryant COBOL compatible |
Line Sequential with variable-length records |
Veryant COBOL compatible |
Veryant COBOL compatible |
Veryant COBOL compatible |
Relative with fixed-length records |
Veryant COBOL compatible |
Requires conversion
Utility provided by Veryant Support |
Veryant COBOL compatible |
Relative with variable-length records |
Unsupported file format (rarely used) Requires conversion Follow the procedure outlined below |
Unsupported file format (rarely used) Requires conversion Follow the procedure outlined below |
Unsupported file format (rarely used) Requires conversion Follow the procedure outlined below |
Indexed
with fixed-length records |
Access to Vision files provided via a licensed copy of the
ACUCOBOL-GT runcbl library |
Requires conversion
Use jutil -convert to convert these files to Veryant JISAM format
(The Micro Focus rebuild utility is required by JUTIL in order to faciliate the
conversion) |
Requires conversion
Convert to Veryant JISAM format with the following steps:
1) Create an empty JISAM file by running a program that opens for output
the FD with isCOBOL
2) Unload data from the input file using the RM/COBOL recover2 utility
3) Run jutil -loadr2 |
Indexed
with variable-length records |
Procedure for converting variable-length record Binary Sequential or variable-length record Relative files to a supported Veryant format
Write a program to be compiled and executed with ACUCOBOL-GT, Micro Focus or RM/COBOL that does the following: - Read the records from the variable-length record input file (i.e. add RECORD ... DEPENDING ON depend-variable in the file's FD where depend-variable will be filled in with the record size.)
- Write the records to a new fixed-length record Binary Sequential output file but begin the output file's FD with a two byte COMP-4 item that is filled in with the record size from the input file's depend-variable. Use this new file as the variable-length record Binary Sequential file with Veryant COBOL.
or
- Write the records to a new fixed-length record Relative output file using the maximum record size from the input file as the record size of the output file.
© Veryant 2011
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Authored
by: Veryant Support
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