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576.Advanced search and replace -- How to add sequence number for each non-blank line of a text file?

User: editor -- 2010-07-29          << 575  577 >>
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Type: Advanced search and replace   
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How to add sequence number for each non-blank line of a text file?
Input Sample:

printf "test";

Output Sample:
1 main()
2 {

3 printf "test";
4 exit;

5 }
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
1. ctrl-o open source text file
2. ctrl-h open 'replace' window
* set 'replace unit' to 'Line'
* in 'search for pattern', enter:

* in 'replace with pattern', enter:

3. click 'Replace', done!

Screenshot 1:  Replace_Window

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