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Top Forums Shell Programming and Scripting find command with complex logic Post 302387169 by MaureenT on Thursday 14th of January 2010 05:49:22 PM
Old 01-14-2010
find with complex logic

That's great and clearly cleaner than the round about way that I was trying to do it. I guess it's time to stop putting off learning awk and sed.
Code:
ls -r | awk -F. '{a=$1$2$3$4} b!=a {b=a;i++} i>2

I get that awk is splitting the name using the period with -F and grabbing the first 4 sections separated by a period ($1$2$3$4). Then you want b to be everything but a. Just need to understand this piece {b=a;i++} .
Guess I better find a good book on awk and sed.

Last edited by Scott; 01-14-2010 at 06:53 PM.. Reason: When posting code, please use code tags
 

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

 *

NAME
ipurge - delete mail from IMAP mailbox or partition based on age or size SYNOPSIS
ipurge [ -f ] [ -C config-file ] [ -x ] [ -X ] [ -i ] [ -s ] [ -d days | -b bytes | -k Kbytes | -m Mbytes ] [ mailbox-pattern... ] DESCRIPTION
Ipurge deletes messages from the mailbox(es) specified by mailbox-pattern that are older or larger than specified by the -d, -b, -k or -m options. If no mailbox-pattern is given, ipurge works on all mailboxes. If the -x option is given, the message age and size MUST match exactly those specified by -d, -b, -k or -m. The are no default values, and at least one of -d, -b, -k or -m MUST be specified. Ipurge by default only deletes mail below shared folders, which means that mails in mailbox(es) below INBOX.* and user.* stay untouched. Use the option -f to also delete mail in mailbox(es) below these folders. Ipurge reads its configuration options out of the imapd.conf(5) file unless specified otherwise by -C. OPTIONS
-f Force deletion of mail in all mailboxes. -C config-file Read configuration options from config-file. -d days Age of message in days. -b bytes Size of message in bytes. -k Kbytes Size of message in Kbytes (2^10 bytes). -m Mbytes Size of message in Mbytes (2^20 bytes). -x Perform an exact match on age or size (instead of older or larger). -X Use delivery time instead of Date: header for date matches -i Invert match logic: -x means not equal, date is for newer, size is for smaller -s Skip over messages that have the Flagged flag set. FILES
/etc/imapd.conf CMU
Project Cyrus IPURGE(8)
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