Legacy Documentation

Mathematica 8 (2010)

This is documentation for Mathematica 8, which was
based on an earlier version of Wolfram Language.
View current documentation (Version 14.3)

$Failed

$Failed
is a special symbol returned by certain functions when they cannot do what they were asked to do.
  • Get returns $Failed when it cannot find the file or other object that was specified.
Opening a non-existing file is an operation that returns $Failed:
Opening a non-existing file is an operation that returns $Failed:
In[1]:=
Click for copyable input
Out[1]=
New in 2


ja zh