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--help and help are successful commands so output should not go to error.
QE teams have requested this change, also users doing docker help | less
or docker run --help | less would expect this to work.
Usage statement should only be printed when the user asks for it.
Errors should print error message and then suggest the docker COMMAND --help
command to see usage information.
The current behaviour causes the user to have to search for the error message
and sometimes scrolls right off the screen. For example a error on a
"docker run" command is very difficult to diagnose.
Finally erros should always exit with a non 0 exit code, if the user
makes a CLI error.
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
33 lines
789 B
Markdown
33 lines
789 B
Markdown
% DOCKER(1) Docker User Manuals
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% Docker Community
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% JUNE 2014
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# NAME
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docker-top - Display the running processes of a container
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# SYNOPSIS
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**docker top**
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[**--help**]
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CONTAINER [ps OPTIONS]
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# DESCRIPTION
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Look up the running process of the container. ps-OPTION can be any of the
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options you would pass to a Linux ps command.
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# OPTIONS
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**--help**
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Print usage statement
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# EXAMPLES
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Run **docker top** with the ps option of -x:
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$ sudo docker top 8601afda2b -x
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PID TTY STAT TIME COMMAND
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16623 ? Ss 0:00 sleep 99999
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# HISTORY
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April 2014, Originally compiled by William Henry (whenry at redhat dot com)
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based on docker.com source material and internal work.
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June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
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