journal.sh

# Just journal for today: journal
#              yesterday: journal -1
#         in a directory: (cd PATH && journal)

function journal {
    case "$(uname -s)" in
        Linux*)     machine=linux;;
        Darwin*)    machine=mac;;
    esac
    if [[ $machine == "mac" ]] then
        dateshift="${1-+0}d"
        targetdate="$(date -v $dateshift +%Y-%m-%d)"
    else
        dateshift="${1-+0} days"
        targetdate="$(date -d $dateshift +%Y-%m-%d)"
    fi
    local filename="${targetdate}.md"
    nvim + "$filename"
}