sort a csv file with column

Sort a csv File with Column
- Integrated Circuits -
- An Online Book -

Integrated Circuits http://www.globalsino.com/ICs/

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Sort a csv file with column: code:
Search with defined functions

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Sort a csv file with column: code:
Search with defined functions

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Sort a txt file: code:
Search with defined functions
Output:

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Sort a csv file: code:
Search with defined functions
Output (same as the txt above):

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Sort a csv file by column: code:
Search with defined functions
Output :

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