test.py

import subprocess

path = '/mfs/test/%d.xlsx'
def write(file_path):
    from xlsxwriter import Workbook
    wb = Workbook(file_path)
    st = wb.add_worksheet('test')
    for i in range(10):
        st.write(i, i, 'aa')
    wb.close()


total = 0
success = 0
for i in xrange(100):
    write(path % i)
    if 0 == subprocess.call(['unzip', '-t', path % i]):
        success += 1
    total += 1

print success, total

python test.py > /dev/null