envSetToolCurrValToDefault

envSetToolCurrValToDefault(
t_tool[.Partition]
)
=> t / nil

Sets the current value of all the environment variables to the default values.

t_tool[ .Partition]
	The name of the tool and the partition (if any). A partition is a way of grouping related sets of variables associated with a tool.

`t`	The variables were reset.
`nil`	The variables could not be reset.