to.sh

# shortcut to a declared environment variable to a directory
# eg. declare myrepo=~/Documents/repo
# then do 'to myrepo' will be equivalent to 'cd ~/Documents/repo'
function to() {
    if [ -z "$1" ]; then
        echo "Empty argument"
        return
    fi
    eval temp_var=\$$1
    if [ -z "${temp_var}" ]; then
        echo "Shortcut not found"
        return
    fi
    cd $temp_var
}