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A decision guide for Rexx log parsing: when the built-in PARSE instruction is enough, when the RXREGEX library earns its dependency, and a script that validates both against the same line.
Rexx condition trapping through SIGNAL ON diverts execution to a named routine when a condition such as ERROR , SYNTAX , NOVALUE , or NOTREADY is raised. A portable script that traps repeatedly, for example around failing commands in a retry loop, needs to know whether the condition stays enabled once the trap routine finishes, or whether SIGNAL ON must be r
rexx