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Open files in loop and perform operations

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I have many files of the type data_1_9.txt, data_1_15.txt, data_2_9.txt, data_2_15.txt, data_3_9.txt, data_3_15.txt, .........data_200_9.txt, data_200_15.txt.
I need to open two files at a time, perform some operations and then save it to a file.Something like this
load data_1_9.txt, data_1_15.txt
perform some operations
save it as something like data_1.txt
similarly for all 200 files
How can i write a for loop for this operation

Accepted Answer

Vineet Joshi
Vineet Joshi on 19 May 2021
The following routine might help your task.
You can use the dir function to get the names of all the text files in a directory.
Once you have the list you can simply use a for loop with a step size of 2 and load consecutive file and perform your operation.
fprintf will help you in writing the output text file.
Hope this helps.

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