glob.glob(sub_dir+os.sep+'soilmu_a_*.shp')

'C:\Users\oh\wss_SSA_OH001_soildb_OH_2003_[2013-12-19]\spatial\'

*** error: bad character range

pattern = sub_dir + os.se p +'soilmu_a_*.shp'
pattern = pattern.replace('[','[[]').replace(']','[]]')
glob.glob(pattern)

subdirs = [d for d in os.listdir(current_full_path) if os.path.isdir(current_full_path + '/' + d)]
for subdir in subdirs:
    subdir_full_path = current_full_path + '/' + subdir

import re
ptn = re.sub('([[]])','[\1]',ptn)