That's right, that's all there is to your mom.

your_mom.sh

#!/bin/bash

SKIP_DIRS_RAW='svn hg git bzr'
SKIP_EXTS_RAW='pyc pyo so o a tgz'
SKIP_FILES_RAW='.*/tags|.*/\.coverage'

SKIP_DIRS=$(echo $SKIP_DIRS_RAW | sed -e 's_\(\w*\)_.*/\.\1_g' | sed -e 's_ _\\\|_g')
SKIP_EXTS=$(echo $SKIP_EXTS_RAW | sed -e 's_\(\w*\)_.*\.\1_g' | sed -e 's_ _\\\|_g')
SKIP_FILES=$SKIP_FILES_RAW

# Do a case insensitive search
if [[ "$1" == "-i" ]]; then
    shift
    CASE_FLAG="-i"
fi

GREP="zgrep -s -E $CASE_FLAG"
TEST_GREP="$GREP -q"
INTERACTIVE_GREP="$GREP -n -C 3 --color=always"

# Should we display context or filenames only?
if [[ "$1" == "-l" ]]; then
    shift
    TO_RUN=print_files_only
else
    TO_RUN=print_with_context
fi


function print_with_context
{
    find . \
        -regex "$SKIP_DIRS" -prune , \
        -not -regex "$SKIP_EXTS" \
        -not -regex "$SKIP_FILES" \
        -type f \
        -exec $TEST_GREP "$@" {} \; \
        -printf "\033[1;33m%p\n\033[0m" \
        -exec $INTERACTIVE_GREP "$@" {} \; \
    | less -FRSX
}

function print_files_only
{
    find . \
        -regex "$SKIP_DIRS" -prune , \
        -not -regex "$SKIP_EXTS" \
        -not -regex "$SKIP_FILES" \
        -type f \
        -exec $TEST_GREP "$@" {} \; \
        -print
}

$TO_RUN $@