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Full Discussion: Grep userids
Top Forums Shell Programming and Scripting Grep userids Post 302256289 by wempy on Sunday 9th of November 2008 07:32:48 AM
Old 11-09-2008
Code:
cut -d: -f1 /etc/passwd |grep -v "\."

will give you the names without a "." in them (remove the -v to give only the names with a "." in them.
Code:
for name in $(cut -d: -f1 /etc/passwd)
do
[ ${#name} -gt 10 ] && echo $name
done

will give you the names that are greater than 10 chars long
Last edited by wempy; 11-09-2008 at 08:34 AM.. Reason: for conciseness
 

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LEARN ABOUT MOJAVE

deliver

DELIVER(8)						      System Manager's Manual							DELIVER(8)

 *

NAME

       deliver - deliver mail to an IMAP mailbox

SYNOPSIS

       deliver [ -C config-file ] [ -d ] [ -r address ]
	       [ -f address ] [ -m mailbox ] [ -a auth-id ]
	       [ -q ] [ userid ]...
       deliver [ -C config-file ] -l

DESCRIPTION

       Deliver reads a message from the standard input and delivers it to one or more IMAP mailboxes.

       Deliver reads its configuration options out of the imapd.conf(5) file unless specified otherwise by -C.

OPTIONS

       -C config-file
	      Read configuration options from config-file.

       -d     Ignored for compatability with /bin/mail.

       -r address
	      Insert a Return-Path: header containing address

       -f address
	      Insert a Return-Path: header containing address

       -m mailbox
	      Deliver  to  mailbox.   If any userids are specified, attempts to deliver to user.userid.mailbox for each userid.  If the ACL on any
	      such mailbox does not grant the sender the "p" right or if -m is not specified, then delivers to the INBOX for the  userid,  regard-
	      less of the ACL on the INBOX.

	      If  no  userids  are  specified, attempts to deliver to mailbox.	If the ACL on mailbox does not grant the sender the "p" right, the
	      delivery fails.

       -a auth-id
	      Specify the authorization id of the sender.  Defaults to "anonymous".

       -q     Deliver message even when receiving mailbox is over quota.

       -l     Accept messages using the LMTP protocol.

NOTES

       Depending on the setting of reject8bit in imapd.conf(5), deliver either rejects/accepts messages with 8-bit-set characters in the  headers.
       If  we  accept  messages  with 8-bit-set characters in the headers, then depending on the setting of munge8bit, these characters are either
       left un-touched or changed to `X'.  This is because such characters can't be interpreted since the character set  is  not  known,  although
       some communities not well-served by US-ASCII assume that those characters can be used to represent characters not present in US-ASCII.

       A method for encoding 8-bit-set characters is provided by RFC 2047.

FILES

       /etc/imapd.conf

SEE ALSO

       lmtpd(8)

CMU
								   Project Cyrus							DELIVER(8)
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