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Full Discussion: find and replace with sed
Top Forums Shell Programming and Scripting find and replace with sed Post 302503284 by nitin.pathak on Thursday 10th of March 2011 06:22:45 AM
Old 03-10-2011
find and replace with sed

Hi,
I have two files

file1 :>
Code:
val="10" 
port="localhost:8080"
httpadd="http:\\192.168.0.239"

file2 :>
Code:
val=${val}
port=${port}
httpadd=${httpadd}
fileloc=${fileloc}

file3(or file2) should have following output(input from fileone)
file3
Code:
val="10"
port="localhost:8080"
httpadd="http:\\192.168.0.239"
fileloc=${fileloc}

i have tried following code but no succes.
Code:
#!/bin/bash
cat file1 | while read line; do
    x=`echo $line | awk '{print $1}'`;y=`echo $line | awk '{print $3}'`;
    echo $x,$y;
    sed -e 's/\$.*'"$x"\.*'/'"$y"'/g' file2 > file2
done

Please help (pls note tht -i not works in AIX)


Moderator's Comments:
Mod Comment Please use [code] and [/code] tags when posting code, data or logs etc. to preserve formatting and enhance readability, thanks.

Last edited by zaxxon; 03-10-2011 at 07:35 AM.. Reason: code tags
 

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REPLACE(1)						       MySQL Database System							REPLACE(1)

NAME
replace - a string-replacement utility SYNOPSIS
replace arguments DESCRIPTION
The replace utility program changes strings in place in files or on the standard input. Invoke replace in one of the following ways: shell> replace from to [from to] ... -- file_name [file_name] ... shell> replace from to [from to] ... < file_name from represents a string to look for and to represents its replacement. There can be one or more pairs of strings. Use the -- option to indicate where the string-replacement list ends and the file names begin. In this case, any file named on the command line is modified in place, so you may want to make a copy of the original before converting it. replace prints a message indicating which of the input files it actually modifies. If the -- option is not given, replace reads the standard input and writes to the standard output. replace uses a finite state machine to match longer strings first. It can be used to swap strings. For example, the following command swaps a and b in the given files, file1 and file2: shell> replace a b b a -- file1 file2 ... The replace program is used by msql2mysql. See msql2mysql(1). replace supports the following options. o -?, -I Display a help message and exit. o -#debug_options Enable debugging. o -s Silent mode. Print less information what the program does. o -v Verbose mode. Print more information about what the program does. o -V Display version information and exit. COPYRIGHT
Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc. This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/. SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/. AUTHOR
Sun Microsystems, Inc. (http://www.mysql.com/). MySQL 5.1 04/06/2010 REPLACE(1)
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