[Bug 1404434] Container Review Request: calc - Arbitrary-precision arithmetic system and calculator — in a container!

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https://bugzilla.redhat.com/show_bug.cgi?id=1404434

Lars Kellogg-Stedman <lars@xxxxxxxxxx> changed:

           What    |Removed                     |Added
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                 CC|                            |lars@xxxxxxxxxx



--- Comment #1 from Lars Kellogg-Stedman <lars@xxxxxxxxxx> ---
Setting 'help' as the default command makes it unclear how to run the container
in interactive mode...which also means that anything involving i/o redirection
will also fail, as in:

    echo 2+2 | docker run -i --rm calc

Or:

    docker run -i --rm calc < somefile

It turns out that passing an empty command will work...

    docker run -it --rm calc ''

...but that isn't necessarily intuitive.  I would just drop the CMD directive
from the Dockerfile.

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