You can use this example-script to wrap a more complicated command, useful when you have tons of options you don't remember

shellCommandWrapper.sh

#!/usr/bin/env bash

sfolder="~/"
dfolder="/Applications/"
usage() { echo "Usage: $0 [-s <source folder>] [-d <destination folder>]" 1>&2; exit 1; }

while getopts ":s:d:" o; do
    case "${o}" in
        s)
            s=${OPTARG}
            ;;
        d)
            d=${OPTARG}
            ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))


if [ -s "${s}" ] || [ -d "${d}" ]; then
    usage
fi



if ! [[ ${s+x} ]]; then
    echo "Default source folder used ${sfolder}" 1>&2;
else
    sfolder="${s}"
    echo "The source folder is ${sfolder}"
fi
if ! [[ ${d+x} ]]; then
    echo "Default destination folder used ${dfolder}" 1>&2;
else 
    dfolder=${d}
    echo "The dfolder is ${dfolder}"
fi



echo "s = ${s}"
echo "p = ${d}"