A simple thingy for Andrew

source_me.bash

# This sets up the functions needed to make this work.

DG_DIR="${HOME}/.drewgo"

# Shows the list of saved directories.
function dg_show {
    if [[ -r "${DG_DIR}/directories" ]]; then
	cat "${DG_DIR}/directories"
    else
	echo "You haven't added anything yet."
	return
    fi
}

# Goes to the directory and performs any commands.
function dg_go {
    local name="${1}"
    local dir=''
    if [[ -z "${name}" ]]; then
	echo "You need to specify a name."
	return
    fi
    if [[ ! -r "${DG_DIR}/directories" ]]; then
	echo "You haven't added anything yet."
	return
    fi
    local IFS=$'\n'
    for line in $(cat "${DG_DIR}/directories"); do
	IFS=$'\t'
	local -a line=(${line})
	if [[ "${line[0]}" = "${name}" ]]; then
	    dir="${line[1]}"
	fi
    done

    if [[ ! -n "${dir}" ]]; then
	echo "Couldn't find '${name}'"
	return
    fi
    if [[ ! -d "${dir}" ]]; then
	echo "No such directory: ${dir}"
    fi

    cd "${dir}"

    if [[ -r .dgrc ]]; then
	source .dgrc
    fi
}

# Adds the current directory to your list.
function dg_add {
    local name="${1:-}"
    if [[ -z "${name}" ]]; then
	echo "You need to specify a name."
	return
    fi
    if [[ ! -d "${DG_DIR}" ]]; then
	mkdir -p "${DG_DIR}"
    fi
    local dir="$(pwd -L)"
    echo "${name}"$'\t'"${dir}" >> "${DG_DIR}/directories"
    echo "Added ${name} for ${dir}"
}