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Groups > comp.lang.python > #88079

Re: Basic Python V3 Search Tool using RE module

Date 2015-03-26 13:23 -0400
From Dave Angel <davea@davea.name>
Subject Re: Basic Python V3 Search Tool using RE module
References <b8b86122-0653-42eb-b9d9-2ba0f45f30f9@googlegroups.com> <b93ae2dd-6dbf-49be-9d21-b30c0926f83a@googlegroups.com>
Newsgroups comp.lang.python
Message-ID <mailman.210.1427390652.10327.python-list@python.org> (permalink)

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On 03/26/2015 01:11 PM, Gregg Dotoli wrote:
> On Wednesday, March 25, 2015 at 3:43:38 PM UTC-4, Gregg Dotoli wrote:
>> This basic script will help to find
>> evidence of CryptoWall on a slave drive. Although it is
>> just a string, more complex regex patterns can be
>> replaced with the string. It is incredible how fast Python is and
>> how easy it has helped in quickly assessing a pool of slave drives.
>> I'm improving it as we speak.
>>
>>
>> Thanks for your help and patience. I'm new with Python.
>>
>>
>> import os
>> import re
>> # From the Root
>> topdir = "."
>>
>> # Regex Pattern
>> pattern="DECRYPT_I"
>> regexp=re.compile(pattern)
>> for dirpath,dirnames, files in os.walk(topdir):
>>      for name in files:
>>              result=regexp.search(name)
>>              print(os.path.join(dirpath,name))
>>              print (result)
>>
>>
>>
>>
>>
>> Gregg Dotoli
>
> I posted this because I thought it may be of help to others. This does grep through all the files and is very fast because the regex is compiled in Python , rather than sitting in some directory as an external command.
> That is where the optimization comes in.
>
> Let's close this thread.
>
>

It "grep"s through all the filenames, but there's no open() call or 
equivalent there at all.  it does not look inside a single file.

We can stop posting to the thread, but that won't fix the bug in the code.

-- 
DaveA

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Thread

Basic Python V3  Search Tool using RE module Gregg Dotoli <gdotoli@gmail.com> - 2015-03-25 12:43 -0700
  Re: Basic Python V3  Search Tool using RE module Dave Angel <davea@davea.name> - 2015-03-25 21:20 -0400
  Re: Basic Python V3  Search Tool using RE module Tim Chase <python.list@tim.thechases.com> - 2015-03-25 20:29 -0500
  Re: Basic Python V3  Search Tool using RE module CHIN Dihedral <dihedral88888@gmail.com> - 2015-03-26 06:01 -0700
  Re: Basic Python V3  Search Tool using RE module Gregg Dotoli <gdotoli@gmail.com> - 2015-03-26 10:11 -0700
    Re: Basic Python V3  Search Tool using RE module Dave Angel <davea@davea.name> - 2015-03-26 13:23 -0400
    Re: Basic Python V3  Search Tool using RE module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-27 10:01 +1100

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