[NumPy-Tickets] [NumPy] #1424: Results of array.tofile and fromfile are different

NumPy Trac numpy-tickets@scipy....
Sun Mar 7 14:12:59 CST 2010


#1424: Results of array.tofile and fromfile are different
-----------------------------+----------------------------------------------
  Reporter:  HyunchulKim     |       Owner:  somebody        
      Type:  defect          |      Status:  closed          
  Priority:  highest         |   Milestone:                  
 Component:  numpy.numarray  |     Version:  1.3.0           
Resolution:  invalid         |    Keywords:  tofile, fromfile
-----------------------------+----------------------------------------------
Changes (by charris):

  * status:  new => closed
  * resolution:  => invalid


Comment:

 You need to specify the dtype when using fromfile:


 {{{
 In [1]: x = array([0,1,2,3])

 In [2]: x.tofile("foo.dat")

 In [3]: y = fromfile("foo.dat", dtype=x.dtype)

 In [4]: x == y
 Out[4]: array([ True,  True,  True,  True], dtype=bool)
 }}}

 The load and save routines are safer for this sort of thing.

-- 
Ticket URL: <http://projects.scipy.org/numpy/ticket/1424#comment:1>
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