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Full Discussion: find and replace query
Top Forums Shell Programming and Scripting find and replace query Post 302319912 by BubbaJoe on Tuesday 26th of May 2009 12:54:13 PM
Old 05-26-2009
Your IFS is set wrong. THe IFS="" says there is no separator so the whole file is read. You can only use IFS is there is actually a seperator between each field. So cat $FILE will not give you line by line it will give you the while file as a field at once. Hence only matching 1 time. Since you really want look at each line as a record you should use awk or sed to find and replace the text.

So this will work for you which was posted by devtakh which says search the whole file and replace the matching pattern with the given pattern for each instance you want to change. It will find each one separately and change the file the way you want.

sed '/Server=127.0.0.1/{s//Server=0.0.0.0/g}
/ServerPort=0/{s//ServerPort=1/g}
/Enable Server=1/{s//Enable Server=0/g}
' /opt/server.conf > /opt/new_server.conf
 

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LEARN ABOUT MOJAVE

net::server::proto::udp5.18

Net::Server::Proto::UDP(3)				User Contributed Perl Documentation				Net::Server::Proto::UDP(3)

NAME

       Net::Server::Proto::UDP - Net::Server UDP protocol.

SYNOPSIS

       See Net::Server::Proto.

DESCRIPTION

       Protocol module for Net::Server.  This module implements the SOCK_DGRAM socket type under INET (also known as UDP).  See
       Net::Server::Proto.

PARAMETERS

       The following paramaters may be specified in addition to normal command line parameters for a Net::Server.  See Net::Server for more
       information on reading arguments.

       udp_recv_len
	   Specifies the number of bytes to read from the UDP connection handle.  Data will be read into $self->{'server'}->{'udp_data'}.  Default
	   is 4096.  See IO::Socket::INET and recv.

       udp_recv_flags
	   See recv.  Default is 0.

       udp_broadcast
	   Default is undef.

QUICK PARAMETER LIST

	 Key		   Value		    Default

	 ## UDP protocol parameters
	 udp_recv_len	   d+			    4096
	 udp_recv_flags    d+			    0
	 udp_broadcast	   bool 		    undef

INTERNAL METHODS

       "object"
	   Returns an object with parameters suitable for eventual creation of a IO::Socket::INET object listining on UDP.

       "connect"
	   Called when actually binding the port.  Handles default parameters before calling parent method.

LICENCE

       Distributed under the same terms as Net::Server

perl v5.18.2							    2013-01-09						Net::Server::Proto::UDP(3)
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