i want to remove tag in xml when it is repeating multiple times

Question

I want to comment particular tag with particular value from xml when it is repeating multiple times

example:

<t1>
<t2>hi<t2/>
<t1/>
<t1>
<t2>hello<t2/>
<t1/>
<t1>
<t2>byee<t2/>
<t1/>

I want it as

<t1>
<t2>hi<t2/>
<t1/>
<!--<t1>
<t2>hello<t2/>
<t1/> -->
<t1>
<t2>byee<t2/>
<t1/>

Answer 1

XML is a strict, multiline format, where the nesting of tags carries meaning. You should use a tool able to parse, interpret and recreate it, not snip around with line-oriented tools. Not saying it is easy, far from it.