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40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
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import hashlib
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import os
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# Returns the hash string of the given file name
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def hashFile(filename):
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# For large files, if we read it all together it can lead to memory overflow
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BLOCKSIZE = 65536
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hasher = hashlib.md5()
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with open(filename, 'rb') as file:
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# Reads the particular blocksize from file
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buf = file.read(BLOCKSIZE)
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while(len(buf) > 0):
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hasher.update(buf)
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buf = file.read(BLOCKSIZE)
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return hasher.hexdigest()
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if __name__ == "__main__":
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# Dictionary to store the hash and filename
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hashMap = {}
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# List to store deleted files
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deletedFiles = []
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filelist = [f for f in os.listdir() if os.path.isfile(f)]
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for f in filelist:
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key = hashFile(f)
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# If key already exists, it deletes the file
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if key in hashMap.keys():
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deletedFiles.append(f)
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os.remove(f)
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else:
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hashMap[key] = f
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if len(deletedFiles) != 0:
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print('Deleted Files')
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for i in deletedFiles:
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print(i)
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else:
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print('No duplicate files found')
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