The Open Group Base Specifications Issue 7
IEEE Std 1003.1-2008, 2016 Edition
Copyright © 2001-2016 The IEEE and The Open Group

#### NAME

> qrerun - rerun batch jobs

#### SYNOPSIS

> ``[OB BE] qrerun` job_identifier`...``

#### DESCRIPTION

> To rerun a batch job is to terminate the session leader of the batch job, delete any associated checkpoint files, and return the batch job to the batch queued state. A batch job is rerun by a request to the batch server that manages the batch job. The qrerun utility is a user-accessible batch client that requests the rerunning of one or more batch jobs.

> The qrerun utility shall rerun those batch jobs for which a batch job_identifier is presented to the utility.

> The qrerun utility shall rerun batch jobs in the order in which their batch job_identifiers are presented to the utility.

> If the qrerun utility fails to process any batch job_identifier successfully, the utility shall proceed to process the remaining batch job_identifiers, if any.

> The qrerun utility shall rerun batch jobs by sending a Rerun Job Request to the batch server that manages each batch job.

> For each successfully processed batch job_identifier, the qrerun utility shall have rerun the corresponding batch job at the time the utility exits.

#### OPTIONS

> None.

#### OPERANDS

> The qrerun utility shall accept one or more operands that conform to the syntax for a batch job_identifier (see Batch Job Identifier).

#### STDIN

> Not used.

#### INPUT FILES

> None.

#### ENVIRONMENT VARIABLES

> The following environment variables shall affect the execution of qrerun:

> LANG
>   Provide a default value for the internationalization variables that are unset or null. (See XBD Internationalization Variables the precedence of internationalization variables used to determine the values of locale categories.)
> LC_ALL
>   If set to a non-empty string value, override the values of all the other internationalization variables.
> LC_CTYPE
>   Determine the locale for the interpretation of sequences of bytes of text data as characters (for example, single-byte as opposed to multi-byte characters in arguments).
> LC_MESSAGES
>   Determine the locale that should be used to affect the format and contents of diagnostic messages written to standard error.
> LOGNAME
>   Determine the login name of the user.

#### ASYNCHRONOUS EVENTS

> Default.

#### STDOUT

> None.

#### STDERR

> The standard error shall be used only for diagnostic messages.

#### OUTPUT FILES

> None.

#### EXTENDED DESCRIPTION

> None.

#### EXIT STATUS

> The following exit values shall be returned:

> 0
>   Successful completion.
> >0
>   An error occurred.

#### CONSEQUENCES OF ERRORS

> In addition to the default behavior, the qrerun utility shall not be required to write a diagnostic message to standard error when the error reply received from a batch server indicates that the batch job_identifier does not exist on the server. Whether or not the qrerun utility waits to output the diagnostic message while attempting to locate the job on other servers is implementation-defined.

The following sections are informative.

#### APPLICATION USAGE

> None.

#### EXAMPLES

> None.

#### RATIONALE

> The qrerun utility allows users to cause jobs in the running state to exit and rerun.

> The qrerun utility is a new utility, vis-a-vis existing practice, that has been defined in this volume of POSIX.1-2008 to correct user-perceived deficiencies in the existing practice.

#### FUTURE DIRECTIONS

> The qrerun utility may be removed in a future version.

#### SEE ALSO

> Batch Environment Services

> XBD Environment Variables

#### CHANGE HISTORY

> Derived from IEEE Std 1003.2d-1994.

#### Issue 6

> The LC_TIME and TZ entries are removed from the ENVIRONMENT VARIABLES section.

#### Issue 7

> The qrerun utility is marked obsolescent.

> SD5-XCU-ERN-97 is applied, updating the SYNOPSIS.

End of informative text.

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