Perform multiple bing search from your account (by default assumes that you are logged into bing in Firefox, but you can supply a custom cookie file too)

bing_search.bash

#!/bin/bash
# Usage:
#    ./bing_search.bash [max_random_wait_in_seconds=5] [cookie_file_path]
set -e
function ensureCookieFile() {
    local mpath=~/.mozilla/firefox
    cf="$(find "$mpath" -name "cookies.sqlite" -type f -print0 | xargs -0 stat --format '%Y :%y %n' | sort -nr | rev | head -n 1 | cut -f 1 -d ' ' | rev)"
    if [[ -z "$cf" ]]; then
        echo -e "\nUnable to find file 'cookies.sqlite' inside the source tree '${mpath}' -- will exit\n" >&2
        exit 1
    fi
}

function doIt() {
    printf -- "- Max wait in seconds: '%s'\n- Cookie file: '%s'\n" "${1}" "${2}"
    local tfile="$(mktemp -u)"
    local i
    local failure_regex='ERROR.*Failed to load cookies from'
    for i in {1..100}; do
        # Search for the string "<timestamp>-i" in each iteration
        local out="$(aria2c --load-cookies "${2}" "https://www.bing.com/search?q=$(date +%s)-$i" -d "$(dirname "$tfile")" -o "$(basename "$tfile")" 2>&1)"
        if [[ "$out" =~ $failure_regex ]]; then
            echo -ne "\nERROR: Invalid cookie file '${2}'\n\n" >&2
            exit 1
        fi
        rm "$tfile"
        printf "Completed search #%s" "${i}"
        if [[ ${1} -gt 0 ]]; then
            local rn=$(( ( RANDOM % ${1} )  + 1 ))
            printf " ... sleeping for %s seconds" "${rn}"
            sleep $rn # Be human :D
        fi
        printf "\n"
    done
}

if [[ -z "$1" ]]; then wait_limit=5; else wait_limit="$1"; fi
if [[ ! $wait_limit =~ [0-9]+ ]]; then
    echo -ne "\nERROR: 'max_random_wait_in_seconds' must be a non-negative integer, but value is: '$wait_limit'\n\n" >&2
    exit 1
fi
if [[ -z "$2" ]]; then
    ensureCookieFile
else
    cf="$2"
fi
set -u
doIt ${wait_limit} "${cf}"