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Status Not under consideration
Created by Guest
Created on Jun 23, 2020

Better parsing of LISTCAT output by dsfilter

Using the zOS Open Automations Utilities (zOAU) "dls" command to list datasets, there were inconsistencies in the returned output where at times, some datasets would not be found.
The "dsfilter" utility, which is used by "dls" command, calls LISTCAT, but is not handling the ANSI control character in the first byte of output from the LISTCAT command.

In the cases where informational messages were reported (IDC3009I or IDC1566I) from LISTCAT, the next line of output used the dash "-" for the control character, so a line that starts with "-NONVSAM -------", which is not picked up by the awk filtering in dsfilter.
The LISTCAT call returned a reason code of 4, so it was deemed acceptable by dsfilter.

Is there a reason that the dsfilter command needs to try to handle the printing control character? I'm not sure under what all cases the LISTCAT output would choose which control character, so this seems error-prone. Can a simple cut of the first column (thus ignoring the control characters entirely) handle this better?

Idea priority High
  • Guest
    Reply
    |
    Apr 3, 2022

    definitely sounds like a bug. If you haven’t already done so please provide an example to ensure we get the right fix.

  • Guest
    Reply
    |
    Aug 21, 2020

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - IBM Z DevOps
    Product - IBM Z Open Automation Utilities
    Component - All
    Operating system - z/OS
    Source - None

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - Programming Languages
    Product - IBM Developer for z/OS, including Enterprise Edition
    Component - Dependency Based Build
    Operating system - IBM z/OS
    Source - None

  • Guest
    Reply
    |
    Jul 27, 2020

    It is my understanding that this is being fixed as a defect and is planned for a future release.