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915.Replace text in multiple files -- How to remove duplicate sentences across many articles in different files?

User: editor -- 2012-02-07          << 914  916 >>
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Type: Replace text in multiple files   
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How to remove duplicate sentences across many articles in different files?
I have over 2k text files in 10 sub-folders. I would like to remove duplicate sentences from all text files.
Essentially, I need a tool that will open all files and search for sentences that match. Each similar sentences that are found is then deleted.
Input Sample:
this is sentence1, this is sentence1, this is sentence2

this is sentence1, this is sentence3
this is sentence4
Output Sample:
this is sentence1, 
this is sentence2

this is sentence3
this is sentence4
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
Assume you need to delete duplicate sentences under d:\test folder and sub-folder
1. ctrl-h open 'replace' dialog
* set 'search for pattern' to:

* set 'If' to:

click 'advanced' tab:
* set 'run following at the beginning of replace' to:

3. click "batch..." button to open "Batch Runner" window
4. click "search files" button
* set file name filter to 
* set search directory to parent folder 
* check option of 'search subdirectory' to allow searching sub-folder
* click "search" button, all files will be added to list, click "close".
5. click "batch replace" button, all files will have duplicate sentences removed.

* You can click the operation records in the middle of screen, to check what sentences are removed.
* You can set option of "change output folder" before step 5,to allow new files generate in new folder

Screenshot 1:  Replace_Window

Screenshot 2:  Replace_Advanced_Window

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