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Full Discussion: Using sed in ksh to find and replace string
Top Forums Shell Programming and Scripting Using sed in ksh to find and replace string Post 302656313 by balajesuri on Thursday 14th of June 2012 12:49:32 PM
Old 06-14-2012
Untested.

Code:
while read a b
do
    sed -i "s|$a|$b|g" /tmp/ccf_temp.sql
done < /tmp/tt

 

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LEARN ABOUT MOJAVE

replace

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.

	   Note
	   The replace utility is deprecated as of MySQL 5.7.18 and is removed in MySQL 8.0.

       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 ...

       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 (C) 1997, 2018, Oracle and/or its affiliates. All rights reserved.

       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

       Oracle Corporation (http://dev.mysql.com/).

MySQL 5.7							    06/07/2018								REPLACE(1)
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