I'm not a wizard with grep+sed+awk :-) Thank you a lot for your precious advice. -F
-----Messaggio originale----- Da: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] Per conto di Wietse Venema Inviato: giovedì 9 giugno 2016 17:19 A: Postfix users <postfix-users@postfix.org> Oggetto: Re: R: Un-hold only some messages and not all the queue i...@itrezero.it: > Thank you a lot Mr. Venema!!! > > Et voila my little script for un-holding just n (n=100 in the example) > and moving to deferred: > > postqueue -p | pcregrep -M "[0-9A-Z]{10}" | awk '{print $1;}' | sed 's/.$//' > | head -100 | postsuper -H - Caution: 1) The regular expression should be anchored to the beginning of the line. 2) The regular expression should select only queue IDs with a '!'. 3) With "enable_long_queue_ids=yes" queue IDs may contain lowercase characters. 4) "grep | awk | sed" can be done with awk alone. Example: awk '/^[0-9A-Za-z]+!/ { print substr($1, 1, length($1) - 1) }' Wietse --- Questa e-mail è stata controllata per individuare virus con Avast antivirus. https://www.avast.com/antivirus
