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Hi, 
I have file with a lot of blocks like below: 
 
&nbsp;&lt;a 
&nbsp; &nbsp;id=&quot;LISTENER_E&quot; 
&nbsp; &nbsp;xlink:href=&quot;&quot; 
&nbsp; &nbsp;transform=&quot;matrix(0.62637352,0,0,0.33836976,-278.11964,466.9526)&quot;&gt; 
&nbsp; &nbsp;&lt;image 
&nbsp; &nbsp;id=&quot;LISTENER_E.image&quot; 
&nbsp; &nbsp;xlink:href=&quot;/images/Mobile/Icons/Catalog_Grey_4.png&quot; 
&nbsp; &nbsp;height=&quot;65&quot; 
&nbsp; &nbsp;width=&quot;65&quot; 
&nbsp; &nbsp;y=&quot;502.32147&quot; 
&nbsp; &nbsp;x=&quot;1087.6489&quot; /&gt; 
&lt;/a&gt; 
 
I have variables with name like id : LISTENER_E=Red 
 
What I need: 
According to variable name, replace &quot;Grey&quot; with variable value &nbsp;into corresponding block 
and do it without tmp files (like sed -i)
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Hi,
I have file with a lot of blocks like below:

 <a
 id="LISTENER_E"
 xlink:href=""
 transform="matrix(0.62637352,0,0,0.33836976,-278.11964,466.9526)">
 <image
 id="LISTENER_E.image"
 xlink:href="/images/Mobile/Icons/Catalog_Grey_4.png"
 height="65"
 width="65"
 y="502.32147"
 x="1087.6489" />
</a>

I have variables with name like id : LISTENER_E=Red

What I need:
According to variable name, replace "Grey" with variable value into corresponding block 
and do it without tmp files (like sed -i)

Replace string inside block

The term 'shell' refers to a general class of text-based command interpreters most often associated with the UNIX and Linux operating systems. Popular shells include Bourne, Debian Almquist (dash), Korn (ksh), Bourne Again (bash) and the C shell family (csh). Some view the DOS 'cmd' prompt as a minimal shell of sorts. It is also possible to install Cygwin on Windows and emulate a full Unix environment with complete shell capabilities. Terminal emulators, such as xterm, GNOME Terminal and OS X Terminal, can be used to access shell.