A example to reserve quotes and passing to sub-function.

cmd_wrapper.sh

# keep quotes in args
# http://stackoverflow.com/questions/1668649/how-to-keep-quotes-in-args
whitespace="[[:space:]]"
for i in "$@"
do
    if [[ $i =~ $whitespace ]]
    then
        i=\"$i\"
    fi
    cmd="$cmd $i"
done

export GREP_OPTIONS='--color=always'

function run() {
	echo "######" $1
	cd $1
	# execute the command use "bash -c"
	bash -c "$cmd"
	cd - > /dev/null
}