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Предположим, у меня есть текстовый файл из журнала smtp (например, ниже), что такое регулярное выражение для grep для извлечения электронных писем в этом файле журнала?grep email из SMTP mail.log
Jun 4 17:19:12 username postfix/pickup[22643]: C92866601: uid=33 from=<www-data>
Jun 4 17:19:12 username postfix/cleanup[23012]: C92866601: message-id=<[email protected]>
Jun 4 17:19:12 username postfix/qmgr[2591]: C92866601: from=<[email protected]>, size=1314, nrcpt=2 (queue active)
Jun 4 17:19:13 username postfix/smtp[23014]: C92866601: to=<[email protected]>, relay=smtp.domain.com[134.96.7.25]:25, delay=0.5, delays=0.132, delays=11/0.01/0.09/0.21, dsn=2.0.0, status=sent (250 2.0.0 q53M4Dg6001057 Message accepted for delivery)
Jun 4 17:19:13 username postfix/smtp[23014]: C92866601: to=<[email protected]>, relay=smtp.domain.com[134.96.7.25]:25, delay=0.5, delays=0.132, delays=11/0.01/0.09/0.21, dsn=2.0.0, status=sent (250 2.0.0 q53M4Dg6001057 Message accepted for delivery)
Jun 4 17:19:13 username postfix/qmgr[2591]: C92866601: removed
Jun 4 17:19:13 username postfix/pickup[22643]: E146B6601: uid=33 from=<www-data>
Jun 4 17:19:13 username postfix/cleanup[23012]: E146B6601: message-id=<[email protected]>
Jun 4 17:19:13 username postfix/qmgr[2591]: E146B6601: from=<[email protected]>, size=1327, nrcpt=2 (queue active)
Jun 4 17:19:14 username postfix/smtp[23014]: E146B6601: to=<[email protected]>, relay=smtp.domain.com[134.96.7.31]:25, delay=0.43, delays=0.132, delays=11/0.01/0.09/0.21, dsn=2.0.0, status=sent (250 2.0.0 q53M4Dg6001057 Message accepted for delivery)
Jun 4 17:19:14 username postfix/smtp[23014]: E146B6601: to=<[email protected]>, relay=smtp.domain.com[134.96.7.31]:25, delay=0.43, delays=0.132, delays=11/0.01/0.09/0.21, dsn=2.0.0, status=sent (250 2.0.0 q53M4Dg6001057 Message accepted for delivery)
Jun 4 17:19:14 username postfix/qmgr[2591]: E146B6601: removed
Jun 4 17:19:14 username postfix/pickup[22643]: EF1606601: uid=33 from=<www-data>
Jun 4 17:19:14 username postfix/cleanup[23012]: EF1606601: message-id=<[email protected]>
Jun 4 17:19:15 username postfix/qmgr[2591]: EF1606601: from=<[email protected]>, size=1329, nrcpt=2 (queue active)
Jun 4 17:19:15 username postfix/smtp[23014]: EF1606601: to=<[email protected]>, relay=smtp.domain.com[134.96.7.31]:25, delay=0.42, delays=0.132, delays=11/0.01/0.09/0.21, dsn=2.0.0, status=sent (250 2.0.0 q53M4Dg6001057 Message accepted for delivery)
Jun 4 17:19:15 username postfix/smtp[23014]: EF1606601: to=<[email protected]>, relay=smtp.domain.com[134.96.7.31]:25, delay=0.42, delays=0.132, delays=11/0.01/0.09/0.21, dsn=2.0.0, status=sent (250 2.0.0 q53M4Dg6001057 Message accepted for delivery)
Jun 4 17:19:15 username postfix/qmgr[2591]: EF1606601: removed