Everything Search Engine alternative script for ubuntu

everything.sh

#!/bin/bash
 
t=$(mktemp)
locate "$1" | awk '{ printf "%4d\t\"%s\"\n",  NR, $0 }' > $t
 
[[ -s $t ]] || { echo "No results found"; exit; }
 
rows=$(wc -l "$t" | cut -d' ' -f1)
 
if [[ $rows == 1 ]]; then
     file=$(sed 's/^.*\t"\(.*\)"$/\1/' $t)
    xdg-open "$file" &
else
    response=$(dialog --stdout --menu 'Choose a File:' 20 70 15 --file $t)
    if [[ -n "$response" ]]; then
        file=$(sed -n "/^\s*$response\t/{s/^.*\t\"\(.*\)\"$/\1/;p}" $t)
        if [[ -n $file ]]; then
            echo "You chose $file"
            xdg-open "$file" &
        fi
    fi
fi