Find all empty R.java files

rfinder.py

import os

path = os.path.dirname(os.path.realpath(__file__))

pattern = """public final class R {
    private R() {}

}"""

# r=root, d=directories, f = files
for r, d, f in os.walk(path):
    for file in f:
        if 'R.java' == file:
            fullPath = os.path.join(r, file)
            s = open(fullPath, 'r').read()
            if pattern in s:
                print(os.path.join(r, file))