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Full Discussion: If pattern match in other column, modify column 3.
Top Forums Shell Programming and Scripting If pattern match in other column, modify column 3. Post 303029757 by RudiC on Thursday 31st of January 2019 03:15:47 PM
Old 01-31-2019
You may pimp up your own approach by adding an address specification. Be aware that it will NOT change the third field if that doesn't contain 165, or change any other field that holds that value.

Code:
sed -r '/([^|]*\|){4}[^|]*1111\|/ s/\|165\|/|server1|/' file
01-31-2019 19:14:05|device|server1|1548962040165|5c5348f9-0804-1111|file_attach|7271|587|smtp|
01-31-2019 19:14:05|device|165|1548962040165|5c5348f9-0804-1234|file_attach|7271|587|smtp|
01-31-2019 19:14:05|device|165|1548962040028|5c5348f9-0804-6789|file_attach|7271|587|smtp|
 01-31-2019 19:14:05|device|server1|1548165040028|5c5348f9-0804-1111|file_attach|7271|587|smtp|

EDIT: If you want to replace field 3 regardless of its contents, try

Code:
sed -r '/([^|]*\|){4}[^|]*1111\|/ s/(([^|]*\|){2})[^|]*\|/\1server1|/' file


P.S.: you might want to adapt the title of your thread.
Last edited by RudiC; 01-31-2019 at 04:21 PM..
These 2 Users Gave Thanks to RudiC For This Post:
invinzin21 nezabudka
 

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LEARN ABOUT DEBIAN

postfix-add-filter

POSTFIX-ADD-FILTER(8)					      System Manager's Manual					     POSTFIX-ADD-FILTER(8)

NAME

       postfix-add-filter - add filter service to Postfix master.cf

SYNOPSIS

       postfix-add-filter [smtp service name...] [smtpd port...]

DESCRIPTION

       The  postfix-add-filter(8)  command  adds an smtp service named smtp service name and and smtpd server listening on smtpd port to etc/post-
       fix/master.cf to facilitate integration of SMTP filters such as amavisd-new or clamsmtp.  The configuration is based on the upstream recom-
       mendations for amavisd-new 2.6.0.  Adminstrators should verify it is appropriate for their requirements.

       The original file is copied prior to modification and left in /etc/postfix to make it possible to revert changes easily.

       Available in the Debian package for Postfix version 2.5.3 and later.

DIAGNOSTICS

       If  the given smtp service name or smtpd port already appear in the master.cf, a message will be printed to standard out and master.cf will
       not be modified.

ENVIRONMENT

       MAIL_CONFIG
	      Directory with Postfix configuration files.

	      The postfix-add-filter(8) command should use this, but it currently doesn't.  It is hard coded  to  /etc/postfix.   This	should	be
	      changed.

CONFIGURATION PARAMETERS

       None

FILES

       /etc/postfix/master.cf

SEE ALSO

       postconf(5), Postfix configuration

LICENSE

       This software is licensed under the MIT open source license.

AUTHOR(S)
       Scott Kitterman
       <scott@kitterman.com>

															     POSTFIX-ADD-FILTER(8)
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