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*condor_tail*
==============
Display the last contents of a running job's standard output or file
:index:`condor_tail<single: condor_tail; HTCondor commands>`\ :index:`condor_tail command`
Synopsis
--------
**condor_tail** [**-help** ] | [**-version** ]
**condor_tail** [**-pool** *centralmanagerhostname[:portnumber]*]
[**-name** *name*] [**-debug** ] [**-maxbytes** *numbytes*]
[**-auto-retry** ] [**-follow** ] [**-no-stdout** ] [**-stderr** ]
*job-ID* [*filename1* ] [*filename2 ...* ]
Description
-----------
*condor_tail* displays the last bytes of a file in the sandbox of a
running job identified by the command line argument *job-ID*. ``stdout``
is tailed by default. The number of bytes displayed is limited to 1024,
unless changed by specifying the **-maxbytes** option. This limit is
applied for each individual tail of a file; for example, when following
a file, the limit is applied each subsequent time output is obtained.
If you specify *filename*, that name must be specifically listed in the job's
``transfer_output_files``.
Options
-------
**-help**
Display usage information and exit.
**-version**
Display version information and exit.
**-pool** *centralmanagerhostname[:portnumber]*
Specify a pool by giving the central manager's host name and an
optional port number.
**-name** *name*
Query the *condor_schedd* daemon identified with *name*.
**-debug**
Display extra debugging information.
**-maxbytes** *numbytes*
Limits the maximum number of bytes transferred per tail access. If
not specified, the maximum number of bytes is 1024.
**-auto-retry**
Retry the tail of the file(s) every 2 seconds, if the job is not yet
running.
**-follow**
Repetitively tail the file(s), until interrupted.
**-no-stdout**
Do not tail ``stdout``.
**-stderr**
Tail ``stderr`` instead of ``stdout``.
Exit Status
-----------
The exit status of *condor_tail* is zero on success.
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