osx - Extract Email Address from eml files -

hi have folder on macbookpro bunch of eml files outlook 2011. i'm trying email addresses out of them, links i've found require buy software or code in c#.

is difficult? i'm trying email list here bunch of old emails.

i know python, r, , sql. if can give me tips on easy way pull email addresses in text file or convert eml files in csv, without buying software or coding in c#, i'd appreciate it.

with php can like:

extract.php

<?php $emails = array();  foreach(rglob("*.eml") $eml){     $emlcontent = file_get_contents($eml);     preg_match_all('/([a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,6})/i', $emlcontent, $matches, preg_pattern_order);     ($i = 0; $i < count($matches[1]); $i++) {         $emails[] .= $matches[1][$i];     } }   $emails = array_unique($emails); print_r($emails);   function rglob($pattern='*', $flags = 0, $path='') {     $paths=glob($path.'*', glob_mark|glob_onlydir|glob_nosort);     $files=glob($path.$pattern, $flags);     foreach ($paths $path) { $files=array_merge($files,rglob($pattern, $flags, $path)); }     return $files; } 

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usage:

place extract.php on folder eml files , run terminal php extract.php