What do you suggest?

[font=Times New Roman][size=3]I have this small project, I want to do the easiest way (not worth to spend lots of time on it) here we go:[/size][/font]

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[font=Times New Roman][size=3]Basically we have a text file which has more that 100 lines and each line has 5-7 different data (name, phone…)[/size][/font]

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[font=Times New Roman][size=3]I need to sort them and do some simple calculations; also I need to update some data in the text file,[/size][/font]

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[font=Times New Roman][size=3]What would you suggest?[/size][/font]