Shell script for finding Python function name duplicates

python_function_name_duplicates.sh

find . -not -path '*/\.*' -type f -name "*.py" | # find non-hidden python files
    xargs egrep -o 'def [A-Za-z0-9_]{1,}' |      # find function def lines
    egrep -v 'def __[a-z]{1,}__' |               # ignore __init__, __repr__,...
    awk -F "def " '{print $NF}' |                # take function names
    sort |                                       # sort list of function names
    uniq -c |                                    # count occurrences of each
    sort                                         # sort again by count