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Problem Report 0688 Details

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Report 0688 Actions

    Problem Report Number 0688
    Submitter's Classification Specification problem
    State Resolved
    Resolution Permanent Interpretation (PIN)
    Problem Resolution ID PIN.X.0081
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1997-07-07 08:00
    Product Standard Commands and Utilities V2 (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSC version 4.1.4
    Test Identification POSIX.cmd/mailx 131
    Specification Commands and Utilities Issue 4 Version 2
    Location in Spec See Problem Text
    Problem Summary PIN4C.00033 The tests may fail on implementations that adhere to POSIX.2b behavior and assume next rather than the POSIX.2 print.
    Problem Text
    The tests may fail on implementations that adhere to POSIX.2b
    behavior and assume next rather than the POSIX.2 print.

    The test in question accurately tests the assertion, which is:

    If the User Portability Utilities option is supported: When mailx is
    in command mode, an input line that consists of a valid msglist is
    interpreted to be the following command: "print msglist".

    Moreover, this assertion accurately reflects the language of POSIX.2.
    However, this is not the historical behavior of the mailx command, and
    IEEE interpretation pasc-1003.2-114 addresses this issue. Historical
    behavior is for the default command to be the "next" command. The
    IEEE's response recognizes this fact.

    The complete text of the interpretation request and response are
    attached. Moreover, in the most recent draft of POSIX.2b (Draft 11),
    the language has been changed to require the historic behavior:

    "If no command is specified in command mode, next shall
    be assumed."

    In view of the interpretation and the language in the new draft, this
    is clearly a grey area in XCU4.
    Test Output
    -----------------start of test output------------------


    ************************************************************************
    /tset/POSIX.cmd/mailx/mailx_02.ex 1 Failed


    Test Information:
    Assertion #131 (C): A command consisting of just a msglist causes all
    the messages in msglist to be printed
    "IN MESSAGE 1" wasn't found in standard output
    "IN MESSAGE 4" wasn't found in standard output
    ************************************************************************

    ------------------end of test output-------------------

    Note: This is taken from the output of the vrpt report.

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    Anticipating acceptance of the modified mailx specification
    in POSIX 2003.2b/D11 and the eventual alignment of the tests with it
    a temporary interpretation is recommended.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Permanent Interpretation (PIN)
    Review Conclusion
    A Permanent Interpretation is granted.

    Problem Reporting System Options:

     

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