Вывод текста между определенными строками.

#!/bin/bash

echo '
. OK [READ-WRITE] inbox selected. (Success)
* 4 FETCH (UID 4 BODY[2] {73350}
Euq/utr+hbW11i20yMdX2xYqwsQ0xUME1ENR////////yKqP//////4AIAIKZW5kc3RyZWFtCmVu
ZG9iagp4cmVmCjAgMTEKMDAwMDAwMDAwMCA2NTUzNSBmDQowMDAwMDAwMDE1IDAwMDAwIG4NCjAw
MDAwMDAyMzUgMDAwMDAgbg0KMDAwMDAwMDMwMCAwMDAwMCBuDQowMDAwMDAwMzYzIDAwMDAwIG4N
CjAwMDAwMDMyNDQgMDAwMDAgbg0KMDAwMDAwMzQxNyAwMDAwMCBuDQowMDAwMDAzNTkyIDAwMDAw
IG4NCjAwMDAwMDM2ODUgMDAwMDAgbg0KMDAwMDAzNDcwOSAwMDAwMCBuDQowMDAwMDM0ODAzIDAw
MDAwIG4NCnRyYWlsZXIKPDwKL0luZm8gMSAwIFIKL1Jvb3QgMiAwIFIKL1NpemUgMTEKPj4Kc3Rh
cnR4cmVmCjUzMzAwCiUlRU9GCg==
)
. OK Success
* BYE LOGOUT Requested
. OK 73 good day (Success)
' | awk '
/^\. OK Success/ {q=0}
q
/^\* 4 FETCH/    {q=1}
'

#!/usr/bin/awk

/^\. OK Success/ {q=0}
q
/^\* 4 FETCH/    {q=1}

awk: cmd. line:1: ./parseattach
awk: cmd. line:1: ^ syntax error
awk: cmd. line:1: ./parseattach
awk: cmd. line:1:   ^ unterminated regexp

(echo '. LOGIN mymail@gmail.com DerParol'; echo '. SELECT inbox'; echo '. UID FETCH 4 (BODY[2])';  echo '. logout' ) | openssl s_client -crlf -ign_eof -connect imap.gmail.com:993

#!/usr/bin/awk -f

|perl -ne 'print if m/^\* 4 FETCH/..m/^\. OK/'|tail -n +2|tac|tail -n +3|tac