from xml.dom import minidom
from os import listdir
from os.path import isfile, join

#item = mydoc.getElementsByTagName('s')
mypath = './xmls/POST/'
onlyfiles = [join(mypath, f) for f in listdir(mypath) if isfile(join(mypath, f))]

mat = []

for f in onlyfiles:
    print(f)
    mydoc = minidom.parse(f)
    s_items = mydoc.getElementsByTagName('s')

    for s in s_items:
        sent = []
        w_items = s.getElementsByTagName('w')

        for w in w_items:
            sent.append(w.attributes['lemma'].value)


        mat.append(sent)

print(len(mat))