Quickly copy a file or folder elsewhere and replace it with a symlink pointing to its new location

move_and_symlink.sh

#!/bin/bash

if [[ -z $1 ]] || [[ -z $2 ]]; then
    echo "arguments missing"
    exit 1
fi

one=${1%/}
two=${2%/}

echo "$one will now be in $two/$one"

mkdir -p $two/$(dirname $one)
mv $one $two/$one
ln -s $two/$one $one