$ man tex

    ...
    -interaction mode
        Sets  the interaction mode.  The mode can be either batchmode,
        nonstopmode, scrollmode, and errorstopmode. The meaning of these
        modes is the same as that of the corresponding commands.
    ...

texdoc texbytopic

batchmode nonstopmode scrollmode errorstopmode

tex -interaction=[batchmode|nonstopmode|scrollmode|errorstopmode]

interactionmode

interactionmode=<integer>

chardefpreviousinteractionmode=interactionmode
batchmode
<some code where we want not to stop for errors>
interactionmode=previousinteractionmode