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Full Discussion: How to rename multiple files
Top Forums UNIX for Dummies Questions & Answers How to rename multiple files Post 302306477 by amitranjansahu on Monday 13th of April 2009 01:58:22 AM
Old 04-13-2009
I have give a sample you can modify if you require any thing else. Its working in my system

============================
#!/bin/ksh

count=`ls *0000043200* | wc -l`
old=0000043200
new=0000216000

while [ "$count" -gt 0 ]
do
count=`ls *0000043200* | wc -l`
file=`ls -l *0000043200* | tail -1 | cut -d ' ' -f26`
newfile=`echo "$file" | sed "s|"$old"|"$new"|g"`
mv $file $newfile > /dev/null

done

echo " RENAME DONE"
=========================================
 

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LEARN ABOUT REDHAT

pickup

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

NAME

       pickup - Postfix local mail pickup

SYNOPSIS

       pickup [generic Postfix daemon options]

DESCRIPTION

       The  pickup  daemon  waits  for	hints that new mail has been dropped into the maildrop directory, and feeds it into the cleanup(8) daemon.
       Ill-formatted files are deleted without notifying the originator.  This program expects to be run from the master(8) process manager.

STANDARDS

       None. The pickup daemon does not interact with the outside world.

SECURITY

       The pickup daemon runs with superuser privileges so that it 1) can open a queue file with the rights of the  submitting	user  and  2)  can
       access  the Postfix private IPC channels.  On the positive side, the program can run chrooted, opens no files for writing, is careful about
       what files it opens for reading, and does not actually touch any data that is sent to its public service endpoint.

DIAGNOSTICS

       Problems and transactions are logged to syslogd(8).

BUGS

       The pickup daemon copies mail from file to the cleanup(8) daemon.  It could avoid message copying overhead by  sending  a  file	descriptor
       instead of file data, but then the already complex cleanup(8) daemon would have to deal with unfiltered user data.

CONFIGURATION PARAMETERS

       The  following  main.cf parameters are especially relevant to this program. See the Postfix main.cf file for syntax details and for default
       values. Use the postfix reload command after a configuration change.

Content inspection controls
       content_filter
	      The name of a mail delivery transport that filters mail and that either bounces mail or re-injects the  result  back  into  Postfix.
	      This parameter uses the same syntax as the right-hand side of a Postfix transport table.

Miscellaneous
       always_bcc
	      Address to send a copy of each message that enters the system.

       mail_owner
	      The process privileges used while not opening a maildrop file.

       queue_directory
	      Top-level directory of the Postfix queue.

SEE ALSO

       cleanup(8) message canonicalization
       master(8) process manager
       sendmail(1), postdrop(8) mail posting agent
       syslogd(8) system logging

LICENSE

       The Secure Mailer license must be distributed with this software.

AUTHOR(S)
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA

																	 PICKUP(8)
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