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Section 10. Utilities Installed with LoggerNet
10.2 CoraScript
10.2.1 CoraScript Fundamentals
CoraScript is a command line interpreter that reads its commands as text from
its standard input device and writes the results of those commands as text to its
standard output device. This style of input and output makes it possible to
externally control the LoggerNet server operation using input and output
redirection. It also makes it possible to string together commands in scripts
that can be executed from the command line.
The CoraScript command interpreter is started by executing the program file
Cora_Cmd.exe in a command prompt environment. CoraScript is also
available through the LoggerNet Toolbar’s Utilities category. When the script
processor starts up it will output a response:
CoraScript 1,1,1,30
The numbers indicate the version number of the current CoraScript.
CoraScript is a batch processing interpreter. It treats its input (from the
standard input device) as a sequence of commands that are processed serially
from the first to the last. As a command is processed, the results are written to
the standard output device. A command is defined as the text up to a
semicolon (;). The semicolon tells CoraScript that the command is complete
and ready to execute.
The flexibility of the commands available within CoraScript and the
independence from user interface considerations make CoraScript a valuable
tool for testing, troubleshooting, and automating LoggerNet server operations.
Because the commands available in CoraScript operate directly
on the LoggerNet server and not through a user interface, there
are no confirmation prompts for critical operations. Care should
be exercised in using the commands to avoid interrupting normal
server operations.
NOTE
There is an extensive on-line help file available for CoraScript. To bring up
the help file, type “help;” on the command line. (Make sure to include the
semicolon ‘;’ at the end and leave off the quotes.) Read through the directions
and try some examples.
10.2.2 Useful CoraScript Operations
The following sections provide an overview of some common and very useful
commands available with CoraScript. Some rules about formatting input and
interpreting the responses:
•
Always end the command with the semicolon (;) character. CoraScript
uses the semicolon to mark the end of the command input and will not
process anything until it is detected.
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