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Full Discussion: Find a text and if condition matches then replace it
Top Forums Shell Programming and Scripting Find a text and if condition matches then replace it Post 303022859 by singhhe on Saturday 8th of September 2018 03:18:44 PM
Old 09-08-2018
Find a text and if condition matches then replace it
Need a script that can find text in a file and replace it accordingly.
This is the file I have:

Code:
while IFS=',' read -r f1 f2 f3
do
{
nohup /home/testuser/dbmaintenance/sys_offline_maintenance.sh $f1 $f2 $f3 > $f2.out &
}
done < "/home/testuser/dbmaintenance/week1offlineserver.txt"

In this file I need a script that can look for the number after week in week1offlineserver.txt and replace it like: If number is 1, change it to 2, if number is 2 then to 3 and if it is 3 then to 4 and if it is 4 then to 1.
Last edited by Scrutinizer; 09-08-2018 at 04:35 PM..
 

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LEARN ABOUT CENTOS

avahi.service

avahi.service(5)						File Formats Manual						  avahi.service(5)

NAME

       avahi.service - avahi-daemon static service file

SYNOPSIS

       /home/lennart/tmp/avahi/etc/avahi/services/*.service

DESCRIPTION

       /home/lennart/tmp/avahi/etc/avahi/services/*.service  are  XML fragments containing static DNS-SD service data. Every service file can con-
       tain multiple service definitions which share the same name. This is useful for publishing service data for services which implement multi-
       ple protocols. (i.e. a printer implementing _ipp._tcp and _printer._tcp)

XML TAGS

       <service-group> The document tag of avahi service files. Should contain one <name> and one or more <service> elements.

       <name replace-wildcards="yes|no"> The service name. If replace-wildcards is "yes", any occurence of the string "%h" will be replaced by the
       local host name. This can be used for service names like "Remote Terminal on %h". If replace-wildcards is not specified, defaults to "no".

       <service protocol="ipv4|ipv6|any"> Contains the service information for exactly one service type. Should contain one <type> and one  <port>
       element. Optionally it may contain one <domain-name>, one <host-name>, any number of <subtype> and any number of <txt-record> elements. The
       attribute protocol specifies the protocol to advertise the service on. If any is used (which is the default), the service  will	be  adver-
       tised on both IPv4 and IPv6.

       <type> Contains the DNS-SD service type for this service. e.g. "_http._tcp".

       <subtype> Contains an additional DNS-SD service subtype for this service. e.g. "_anon._sub._ftp._tcp".

       <domain-name>  The  domain  name this service should be registered. If omited defaults to the default domain of the avahi daemon. (probably
       .local)

       <host-name> The host name of the host that provides this service. This should be a host that is resolvable by  multicast  or  unicast  DNS.
       Please  note  that  you	need  to  specify a fully-qualified domain name (FQDN) here, i.e. .local is not appended implicitly! The host name
       doesn't need to be part of the domain specified in <domain-name>. See avahi.hosts(5) for more information how to  publish  additional  host
       name mappings.

       <port> The IP port number the service listens on.

       <txt-record> DNS-SD TXT record data.

AUTHORS

       The Avahi Developers <avahi (at) lists (dot) freedesktop (dot) org>; Avahi is available from http://avahi.org/

SEE ALSO

       avahi-daemon(8), avahi.hosts(5)

COMMENTS

       This man page was written using xml2man(1) by Oliver Kurth.

Manuals 							       User							  avahi.service(5)
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