Copy a file with a certain string in the filename in python

Question

I need to copy a file that contains some string, call it mystring, in the filename from a directory to another. At the moment I use

for file in glob.glob(FileNameM):
        shutil.copy(file, dest);

where dest is the destination directory and

FileNameM = source_directory + some_known_string + mystring + "*"

This code works fine when there is an extension only after mystring, but if there is something else plus an extension the code fails.

Example FileNameM that works:

/home/eugene/GDrive/Project-related/Skyrmion_Lattice_Output/Output_Good_Enough/Parameters__triangular_N_225_kappa_1.0_beta_0.11_a_3.63311050137*

and leads to the file

/home/eugene/GDrive/Project-related/Skyrmion_Lattice_Output/Output_Good_Enough/Parameters__triangular_N_225_kappa_1.0_beta_0.11_a_3.63311050137.dat

Example FileNameM that doesn't work:

/home/eugene/GDrive/Project-related/Skyrmion_Lattice_Output/Output/Parameters__triangular_N_225_kappa_1.0_beta_0.12_a_3.6341634222*

and this shall lead to the file

/home/eugene/GDrive/Project-related/Skyrmion_Lattice_Output/Output/Parameters__triangular_N_225_kappa_1.0_beta_0.12_a_3.63416342223.dat

Do you have any idea how can I improve?

Could you show an example of a path that works and of a path that does not to help to reproduce your problem? — Serge Ballesta
– Serge Ballesta, Commented Dec 13, 2015 at 17:01

arx5 · Accepted Answer · 2015-12-13 17:41:19Z

2

I just tried it with your example filenames and got both filenames by glob.glob(), even with more characters missing:

import glob
    FileNameM = 'test\Parameters__triangular_N_225_kappa_1.0_beta_0.12_a_3.6341634*'
    for file in glob.glob(FileNameM):
        print(file)
# test\Parameters__triangular_N_225_kappa_1.0_beta_0.12_a_3.63416342223.dat

Running on Windows; a dummy file was in the subfolder test next to the script.

answered Dec 13, 2015 at 17:41

arx5

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