def igrep(pat,list):

    return grep(pat,list,case=0)
Returns a pathspec for an aff4 object even if there is none stored.
dataset/ETHPy150Open ipython/ipython-py3k/IPython/utils/text.py/igrep--crossover with--dataset/ETHPy150Open google/grr/grr/lib/aff4.py/AFF4Volume.real_pathspec