Created
November 21, 2015 13:05
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Useful script for bulk renaming files on the basis of their type.
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| # Small script which uses the "file" command to | |
| # determine the types of all files in the current | |
| # directory with names starting with '#'. | |
| # | |
| # It then sets the file extension as appropriate. | |
| # Written to recover data from a badly damaged filesystem's | |
| # lost&found folder, after testdisk. | |
| # | |
| # Author: Richard Hofman, 2015 | |
| # | |
| # This script is licensed under the MIT License. | |
| #!/usr/bin/python | |
| import subprocess | |
| import os | |
| extensions = { | |
| 'JPEG image data': 'jpg', | |
| 'RAR archive data': 'rar', | |
| 'avi': 'avi', | |
| 'ISO Media': 'iso', | |
| 'Matroska': 'mkv', | |
| 'MPEG sequence, v2': 'mpg', | |
| 'XML document text': 'xml', | |
| 'Zip archive data': 'zip', | |
| 'PDF document': 'pdf', | |
| 'PE32 executable': 'exe', | |
| 'Microsoft Word 2007+': 'docx', | |
| 'SQLite 3.x database': 'sqlite', | |
| 'Rich Text Format': 'rtf', | |
| } | |
| def main(): | |
| type_mappings = {} | |
| listing = subprocess.check_output("file $( ls | awk '/^#/' )", shell=True) | |
| print "LISTING\n\n" + listing | |
| for l in listing.split('\n'): | |
| l = l.strip() | |
| if len(l) == 0: | |
| continue | |
| print "Processing %s" % l | |
| index = l.find(':') | |
| filename = l[:index] | |
| type = (l[index+1:]).strip() | |
| type_mappings[filename] = lookup_extension(type) | |
| for filename, extension in type_mappings.iteritems(): | |
| if len(extension) == 0: | |
| print "NOT renaming: %s" % filename | |
| continue | |
| print "Renaming: %s" % filename | |
| new_filename = "%s.%s" % (filename, extension) | |
| new_filename = new_filename[1:] | |
| os.rename(filename, new_filename) | |
| def lookup_extension(type_string): | |
| type_string = type_string.lower() | |
| debug = "" | |
| for ts, te in extensions.iteritems(): | |
| if ts.lower() in type_string: | |
| return te | |
| return "" | |
| if __name__ == "__main__": | |
| main() |
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