Copy files to a different directory based on their extension using Python
Question: I have a list named source where I store the file names. Now based on the
extension of each file I want it to copy to different folders. I know it is a
very simple task but somehow i am not getting it. Her is my code:

    
    
    import shutil , os
    
    source = ['test_sound.wav','ts.raw']
    
    src= '/home/GM/codec_implement/Audio_files'
    
    destination1= '/home/GM/codec_implement/raw_files'
    
    destination2= '/home/GM/codec_implement/raw_files/wave_files'
    
    for files in source:
    
    fileName, fileExtension = os.path.splitext(files)
    
        if (fileExtension=='.raw'):
            full_filename = os.path.join(source, files) 
            shutil.copy(full_filename,destination1)
    
        elif (fileExtension=='.wav'):
            full_filename = os.path.join(source, files)
            shutil.copy(full_filename,destination2)
    
        else:
            print "This is not a valid file format "
    

Errors: I get errors like unexpected indentation all the time I dont
understand where I am making mistake and I am using Python 2.7


Answer: You need to move line `fileName, fileExtension = os.path.splitext(files)` four
spaces to the right.

Take a look at the [pylint](http://www.pylint.org/). It will show you where
the error is.

for example, running `pylint` against your code:

    
    
    pylint -r n /tmp/foo
    
    ************* Module foo
    E: 13,0: expected an indented block
    

