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720.Text file splitter -- How to split a text file according to first word in each line?

User: park -- 2011-02-17          << 719  721 >>
Hits: 3424
Type: Text file splitter   
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Description:
How to split a text file to different files according to first word in each line?  
Need to split a base file with format of "first word" in each line, and write each "first word" into corresponding "filename".
Input Sample:
SH000001 2011-01-17 -1.192326 
SH000001 2011-01-18 -0.363190 
SH000001 2011-01-19 0.165015 
SH000001 2011-01-20 -0.680117 
SH000001 2011-01-21 0.165266 
SH000001 2011-01-24 -0.291375 
SH000001 2011-01-25 -0.444084 
SH000001 2011-01-26 -0.024484 
SH000001 2011-01-27 0.432198 
SH000002 2011-02-15 -0.246460 
SH000002 2011-02-16 0.083018 
SH000002 2011-02-17 -0.280883 
SH000003 2011-02-15 -0.132115 
SH000003 2011-02-16 0.059704 
SH000003 2011-02-17 0.087619 
SH000004 2011-02-15
Output Sample:
SH000001.txt 
SH000001 2011-01-17 -1.192326 
SH000001 2011-01-18 -0.363190 
SH000001 2011-01-19 0.165015 
SH000001 2011-01-20 -0.680117 
SH000001 2011-01-21 0.165266 
SH000001 2011-01-24 -0.291375 
SH000001 2011-01-25 -0.444084 
SH000001 2011-01-26 -0.024484 
SH000001 2011-01-27 0.432198 
SH000002.txt 
SH000002 2011-02-15 -0.246460 
SH000002 2011-02-16 0.083018 
SH000002 2011-02-17 -0.280883 
SH000003.txt 
SH000003 2011-02-15 -0.132115 
SH000003 2011-02-16 0.059704 
...
Answer:
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
1. ctrl-o open the text file 
2. ctrl-h open replace window  
* set 'replace unit' to 'line'  
* in 'search for pattern', enter:  
  
* click "advanced" tab   
fill "run following for each matched unit" entry like:  
 
3. click 'Replace' button, the files will be written to your "replace pioneer" installation path.  
 
Note: 
* if you need to create file under specified folder like d:\test, fill "run following foreach matched unit" like: 
 
 
* if your file or folder contains non-english characters, please download version 2.61 or newer, and use: 
 
 
* the folder like d:\\test should be created in advance. 

Screenshot 1:  Replace_Window


Screenshot 2:  Replace_Advanced_Window


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