JCL condition codes are an excellent option in controlling the execution of JCL steps. Total 3 ways we can control the execution of steps.
As we know JCL is powerful language in MVS OS.
Points:
The first point is keeping steps only you want in the job. So that those only you can run it.
The second point is giving Condition codes in the step.
//step2 exec pgm=program,cond=(4,GE). This step executes when the condition 4>=RC.step1, fails. similarly you can control execution of steps in the proc. Refer here for more details.
The third point is giving condition in the job.
//jobname job (acctinfo),cond=(4,LE).
for each step it checks cond code in the job. If false then only that step executes.
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