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I'm looking for an email and data extraction programme to build a mailing list for particular industries, I am looking for one with a simple GUI but has extensive capabilities and easy to use on ubuntu.

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You can use something like HTTrack to create a local static mirror of the site first. Then cd into the local mirror and grep for email addresses:

grep -srhwoIiE "[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}" . \
| tr '[:upper:]' '[:lower:]' \
| sort -u

There are probably better regexes for emails (it's notoriously difficult because the email RFC is so loose) but that should get you going.

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That's great oli, is there anyway of getting more fields than just the email addresses? are there any programmes which can do it directly off the sites? – Robotics News Oct 13 '12 at 18:11

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