Substitution using SED Post: 302256618

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I know we can substitute a string using sed but how? For example: sed 's/(old variable)/(new variable)/ details.dat Am I suppose to put $old variable or whatever? Because I tried many times, it didnt work by putting $old variable. Am I suppose to enclose it with "" or ''? Please help

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sed substitution

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conjure

conjure(1)						      General Commands Manual							conjure(1)

NAME

       conjure - interprets and executes scripts written in the Magick Scripting Language (MSL).

SYNOPSIS

       conjure [options] script.msl

OVERVIEW

       The conjure program is a member of the ImageMagick(1) suite of tools.  Use it to process a Magick Scripting Language (MSL) script. The Mag-
       ick scripting language (MSL) will primarily benefit those that want to accomplish custom image processing tasks but do not wish to program,
       or those that do not have access to a Perl interpreter or a compiler.

       For  more  information  about  the  conjure  command,  point your browser to file:///usr/share/doc/packages/ImageMagick/www/conjure.html or
       http://www.imagemagick.org/script/conjure.php.

DESCRIPTION

       Image Settings:
	 -monitor	      monitor progress
	 -quiet 	      suppress all warning messages
	 -regard-warnings     pay attention to warning messages
	 -seed value	      seed a new sequence of pseudo-random numbers
	 -verbose	      print detailed information about the image

       Miscellaneous Options:
	 -debug events	      display copious debugging information
	 -help		      print program options
	 -log format	      format of debugging information
	 -list type	      print a list of supported option arguments
	 -version	      print version information

       In additiion, define any key value pairs required by your script.  For example,

	   conjure -size 100x100 -color blue -foo bar script.msl

SEE ALSO

       ImageMagick(1)

COPYRIGHT

       Copyright (C) 1999-2010 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see  file:///usr/share/doc/pack-
       ages/ImageMagick/www/license.html or http://www.imagemagick.org/script/license.php

ImageMagick						     Date: 2009/01/10 01:00:00							conjure(1)

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