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homework?? hhhhh
I'm 28 years old.. I've finished school long long time ago :)

Hi,
How would you write bash script that given a directory as an argument and finds all duplicate files (with same contents - by using bytewise comparison) there and prints their names?

How can I change the comma sign (,) to plus sign (+) with the sed command or any regex?
I mean to change only the comma that beteen the quotation marks.

From this file:
A,B,C
A,"B,C",D...

hhhhhh.. no this isn't homework I'm 24 years old :)
I have been studying it for myself.
This drill taken from a training book that I found, but I have no idea how to do it.

Hi all,
I have drill to do and I'll very appreciate your help:

Please create a simple CSV file as follow (3 columns and 4 rows):
A,B,C
A,”B,C”,D
“A,B”,C,D
o A,B,”C,D”
- Please refer...