JOURNAL Procedure
Provides a record of an interactive session by saving in a file all text entered from the terminal in response to a prompt.
Usage
JOURNAL[, param]
Input Parameters
param—(optional) A string parameter whose use depends on whether journaling is in progress when JOURNAL is called, and whether param is explicitly set:
If journaling is not in progress and
param is supplied,
param sets the name of the journal file the session’s commands will be written into.
If journaling is not in progress and
param is not supplied, the default journal file named
wavesave.pro is used.
If journaling is in progress and
param is supplied, the contents of the
param string is written directly into the currently open journal file.
If journaling is in progress and
param is not supplied, the current journal file is closed and the logging process is terminated.
Keywords
Nobuffer—If present and nonzero, output lines will be written immediately to the journal file without the normal file buffering.
Discussion
The first call to JOURNAL starts the logging process. The read-only system variable !Journal is set to the file unit into which all session commands are written. Once the logging is initiated, a call to JOURNAL with no parameters closes the log file and terminates the logging process. If logging is in effect and a parameter is supplied, the parameter is simply written to the journal file.
See Also
Also see the PV‑WAVE User’s Guide.
Version 2017.0
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