Extract e-mail addresses from large text file
#!/bin/bash

Report=/Users/me/Desktop/mail/cur.txt

for f in /Users/me/Desktop/mail/test/*; do
  if [ -f "$f" ] ; then
    EMAIL=$(/usr/bin/grep -E -o '([a-zA-Z0-9_\.-]+)@([a-zA-Z0-9_\.-]+)\.([a-zA-Z]{2,5})' "$f" )

    if [ "$EMAIL" != "" ] ; then
      echo "$EMAIL" &gt;&gt; "$Report"
    fi
  fi
done