CODEWITHSUNDEEP
pythonmatchos.system
tjw
tjw

Reputation: 135

Python - getting os.popen to match a string?

I am trying to run a grep on a .doc file to get the strings and match it to evidence of macros in order to detect it.

I have:

filename = raw_input("file name: ") <--- using malicious.doc

    s1 = os.popen("grep '/vbaProject\|/vbaData' " + filename).read()
    s2 = 'Binary file ' + filename + ' matches'

    if s1 == s2:
        print("true")
    else:
        print("false")

if I run:

    if s1 == s2:
        print("true")
    else:
        print("false")

    print(s1)
    print(s2)

I get the following output:

false
Binary file malicious.doc matches

Binary file malicious.doc matches

the text matches, and I've even tried doing s1 = str(s1) and s2 = str(s2) and still getting false.

Thanks in advance.

Upvotes: 1

Views: 143

Answers (1)

Lydia van Dyke
Lydia van Dyke

Reputation: 2526

By your comment, you got an additional newline in the result.

I generally advise to strip results from whitespace before comparing them. In your case I would do:

s1 = os.popen("grep '/vbaProject\|/vbaData' " + filename).read().strip()

Upvotes: 1

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