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The JAVA_OPTS environment variable is honored if set and passed into the command line if specialized options invoking java are required.
An The SHIB_OPTS environment variable is also honored if set and is added to the end of the command line to allow for globally applying options when running most of the tools.
A special environment variable, IDP_BASE_URL, can be set to globally override the URL used to call the administrative flows from the command line tools. It defaults to "http://localhost/idp" and can also be overridden from the command line with the "-u" switch (refer to the output of each command for a complete summary of command line options).
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