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Full Discussion: Grep and sed (replace string in patterned lines)
Top Forums Shell Programming and Scripting Grep and sed (replace string in patterned lines) Post 302830651 by Ygor on Tuesday 9th of July 2013 08:34:12 AM
Old 07-09-2013
You can just use sed....
Code:
sed '/PATTERN/s/ to be changed/, YEHA! to be changed/' FILENAME

This User Gave Thanks to Ygor For This Post:
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LEARN ABOUT CENTOS

cheatmake

CHEATMAKE(1)							  [FIXME: manual]						      CHEATMAKE(1)

NAME

       cheatmake - fool make into not rebuilding certain files

SYNOPSIS

       cheatmake [hidechangefile] [show] [whyfile]

DESCRIPTION

       cheatmake is used to save time when recompiling. It can fool make into skipping files that haven't changed in a meaningful way. This can be
       used for instance when you change a comment in a file but none of the actual code.

       This utility is part of the KDE Software Development Kit.

OPTIONS

       hidechange file
	   Hides the fact that file was changed by setting the timestamp into the past. Use with care!

       show
	   Lists what files make currently needs to rebuild

       why file
	   Explains why make must rebuild file

ENVIRONMENT

       One of the following variables (but not both) should be set if the source directory is different from the build directory. If the build
       directory is simply a subdirectory of the source directory, the simpler variable OBJ_SUBDIR should be used.

       OBJ_SUBJDIR
	   Indicates that the build directory is in the given subdirectory of the source directory. For instance, if the source directory is
	   kdesdk and the build directory is kdesdk/obj-i386-linux, then OBJ_SUBDIR should be set to obj-i386-linux.

       OBJ_REPLACEMENT
	   A sed expression that is used to transform the source directory into the build directory. For instance, if the source directory is
	   kdesdk/obj-i386-linux, then OBJ_REPLACEMENT should be set to s#kdesdk#kdesdk-obj#.

SEE ALSO

       make(1)

AUTHORS

       cheatmake was written by David Faure<faure@kde.org>. This manual page was prepared by Ben Burton<bab@debian.org> for the Debian
       GNU/Linux(R) system (but may be used by others).

[FIXME: source] 						   March 8, 2003						      CHEATMAKE(1)
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