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309.Text merge -- How to merge adjacent lines having same value in column one in CSV files?

User: editor -- 2008-12-26          << 308  310 >>
Hits: 654
Type: Text merge   
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Description:
How to merge adjacent lines having same value in column one in CSV files?
Input Sample:
aaa,a1,a2,a3
aaa,a4,a5
bbb,b1,b2
bbb,b3,b4,b5
ccc,c1,c2
ccc,c3
Output Sample:
aaa,a1,a2,a3,a4,a5
bbb,b1,b2,b3,b4,b5
ccc,c1,c2,c3
Answer:
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
1. ctrl-o to open CSV file
2. ctrl-h open "Replace" dialog
Fill in "Search for pattern":

Fill in "Replace with pattern":

3. click "Replace" done!

Note: if 3 or more lines have same value in column 1, you need repeat above steps, untill all of them merged.
Download Script:  scripts/309.rst.zip

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Keywords:
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