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AutoLISP Function Detail
Name: open

Syntax:
(open fname mode)

Description:
Opens the filename for one of three modes of input or output.

Mode Meaning
"a" Append to an existing file or create a new one if one doesn't exist
"r" Open the file for read only.
"w" Open the file for write and if the file exists then replace it.


Example(s):
(open "test.txt" "r")
(open "support/test.txt" "r")