Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Compiler and Runtime Migration Guide


OS/VS COBOL trace output sequence

The trace output sequence has changed under Language Environment. In Language Environment, only one trace entry per record appears, instead of numerous trace entries per record as in OS/VS COBOL programs running under VS COBOL II. This change is especially helpful with intervening DISPLAY SYSOUT output and error messages.

Figure 1 shows the difference between the OS/VS COBOL and Language Environment formats.
Figure 1. TRACE output under Language Environment compared to OS/VS COBOL
OS/VS COBOL  Running under VS COBOL II :

     Record 1 -->  Section1(2), Paragraph1(2), Section2(2)

Language Environment :

     Record 1 -->  Section1
     Record 2 -->  Section1
     Record 3 -->  Paragraph1
     Record 4 -->  Paragraph1
     Record 5 -->  Section2
     Record 6 -->  Section2

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