Chapter 4. Collecting Runtime Information
Most applications offer ways for users to direct or alter runtime behavior. Two of the most common approaches are
• Accepting command line arguments and options. This approach is often used for information that can reasonably change on each application invocation. For example, the host name to connect to during an FTP (file transfer protocol) or TELNET session is usually different each time the command is run.
• Reading configuration files. Configuration files usually hold site- or user-specific information that doesn't often change or that should be remembered between application invocations. For example, an installation script may store file system locations to read from or record log files to. The ...
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