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227.Advanced search and replace -- How to remove/delete all lines with even line number?

User: editor -- 2008-07-18          << 226  228 >>
Hits: 3756
Type: Advanced search and replace   
Search all Advanced search and replace examples
Description:
How to remove all lines with even line number?
Input Sample:
aaaaaaaaaaaaaa 
bbbbbbbbbbbbbbbbb 
cccccccccccc 
ddddddddddddddddddddd 
eeeeeeeeeeeeee
Output Sample:
aaaaaaaaaaaaaa 
cccccccccccc 
eeeeeeeeeeeeee
Answer:
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' dialog 
 
* set "Replace Unit" to "Line" 
* set "Search for pattern" to: 
 
* set "Unit Number Filter" to: 
 
 
3. Click "Replace", done! 
 
Note:  
Above operation means replace all 2,4,6,8,... lines with blank. 
2<2> means 2,4,6,8, ...(start by 2, and increase by 2)
Download Script:  scripts/227.rst.zip

Screenshot 1:  Replace_Window


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Check Demo of Advanced search and replace
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