lolcate, comically fast file locater sometimes two orders of magnitude faster than mlocate

lolcate.sh

#!/bin/bash                                                                                        

# Please read to make sure you really want to use this program                                     
# it hasn't been tested.                                                                            

# Requires lzop                                                                                    

mkdir -p ~/.lolcate

case "$1" in
    # ------------------------------------------------------------------                           
    --help)
        echo "usage: lolcate"
        echo "$ lolcate updatedb    to update"
        echo "$ lolcate <pattern>   to search"
        echo "$ lolcate --help      for this help"
        exit 1
        ;;

    "")
        lolcate --help
        exit 1
        ;;

    # ------------------------------------------------------------------                           
    updatedb)
        echo "updating data file"
        mkdir -p ~/.lolcate
        find / | lzop -1 > ~/.lolcate/files.lzop
        ;;

    # ------------------------------------------------------------------                           
    *)
        lzop -dc ~/.lolcate/files.lzop | grep $1
esac