How to extract certain files according to numbers in the filename?

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Yasmin Samy
Yasmin Samy 2019-8-8
评论： Yasmin Samy 2019-8-11
Hello,
So i have files with names as shown below:
bar_3pressure.xlsx
bar_3temp.xlsx
bar_4pressure.xlsx
bar_4temp.xlsx
this goes on..where the numbers represent months. I have a loop which requires i read the files for each month to perform certain calculations. Each iteration being a separate month. So first i would do the calculations for march (using only bar_3press..and bar_3temp.xlsx), next iteration april (using only bar_4pressure and bar_4temp)etc. How can i change the input files accordingly? As in how can i specify the file name that is being read.
thanks!

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采纳的回答

Adam Danz
Adam Danz 2019-8-8
编辑：Adam Danz 2019-8-9
n = 3; % for month #3
filename = sprintf('bar_%dpressure.xlsx', n)
Result
filename =
'bar_3pressure.xlsx'

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