#!/bin/sh

HOWMANY="10"
URL="https://username:password@mail.google.com/mail/feed/atom"

headarg="-$HOWMANY"

curl --silent "$URL" > ~/.gmail.txt

grep -E '(^<title>)' ~/.gmail.txt | \
sed -n '2,$p' | \
sed -e 's/<title>Gmail - Inbox for //' |
sed -e 's/<title>//' |
sed -e 's/<\/title>//' |

head $headarg | sed G | sed 'n;d'