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Dump email addresses out of flat files using Regex and sed

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Last Modified: 2013-12-26
I've got a folder full of csv and text files that I need to grab all of the email addresses out of. These files are stored on a linux server so I'd like to be able to use the command line or a script to do the following:
For each file in a folder (whether it's a CSV file, tab delimited, or | delimited)
   Search each line for the email address, and send all of those lines to a new file

Example:
File1.csv:
chris@gmail.com, Chris, Last name, phone
1234, chris@gmail.com, Chris, Last Name, phone

ouput to File1-emails.csv:
chris@gmail.com
chris@gmail.com

File2.csv:
"chris@gmail.com", Chris, Last name, phone

ouput to File2-emails.csv:
chris@gmail.com

File3.txt:
chris@gmail.com|chris|last  name| phone

ouput to File3-emails.txt:
chris@gmail.com

The point here is, I'd like the script to be able to run in files of different formats.
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