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Below are some helpful tips and tricks for various Autodesk products. If you have a Tip or Trick that you find useful send it to us and we will post it here.
GENERAL AUTODESK PRODUCTS
Logging the text window history to a file
Submitted by The PPI Group staff
The AutoCAD Command or Text Window, (F2 function key) is a wonderful tool for reviewing
commands used in the current drawing session. You can even reuse commands or LISP routines
typed at the command line by copying from the text window and pasting the item to the command
line. This is done by selecting the text information, then right-clicking and selection COPY TO
COMMAND LINE from the context menu. Additionally, there are system variables that allow us to
save this drawing history to a log file. The system variables are LOGFILENAME (read-only),
LOGFILEMODE (Integer: 0 = Log file is not maintained, 1= Log file is maintained) and lastly,
LOGFILEPATH (String: Specifying the path to the log file). For more information on these system
variables see the AutoCAD help file.
An alternative access to the system variables is through the Options dialog. Typing OPTIONS at
the command line is one of many ways to access this dialog. Under the FILES tab of the
OPTIONS dialog you can specify the location of the log file by changing the value for "Log file
location". Next select the OPEN AND SAVE tab and go to the area entitled "File Safety
Precautions" and enable the checkbox labeled "Maintain a log file".
Depending on how much the Command Window is used, the AutoCAD Power User may find that
the 400 lines of text displayed is too limiting. If you used AutoCAD 14 or earlier you may recall
that in the PREFERENCES dialog we had the option of changing the command buffer from 25
lines to 1024. This option and documentation regarding it, is not available in AutoCAD 2000 and
up. No worries. There is a way to increase the number of lines stored in the command buffer
from the command line. At the command prompt type the following, including parethesis and case
sensitivity: (setenv "CmdHistLines" "2048"), this will change the value of 400 lines to 2048 lines.
The value has to be between 25 and 2048.
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