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Diffstat (limited to 'numpy/lib/npyio.py')
| -rw-r--r-- | numpy/lib/npyio.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/numpy/lib/npyio.py b/numpy/lib/npyio.py index 746e6043a..c45622edd 100644 --- a/numpy/lib/npyio.py +++ b/numpy/lib/npyio.py @@ -506,7 +506,9 @@ def save(file, arr, allow_pickle=True, fix_imports=True): Notes ----- For a description of the ``.npy`` format, see :py:mod:`numpy.lib.format`. - + + Any data saved to the file is appended to the end of the file. + Examples -------- >>> from tempfile import TemporaryFile @@ -519,6 +521,15 @@ def save(file, arr, allow_pickle=True, fix_imports=True): >>> np.load(outfile) array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) + + >>> with open('test.npy', 'wb') as f: + ... np.save(f, np.array([1, 2])) + ... np.save(f, np.array([1, 3])) + >>> with open('test.npy', 'rb') as f: + ... a = np.load(f) + ... b = np.load(f) + >>> print(a, b) + # [1 2] [1 3] """ own_fid = False if hasattr(file, 'write'): |