how to import from a csv with a different file name?

2 次查看（过去 30 天）
Cristian Martin
Cristian Martin 2020-7-8
回答： madhan ravi 2020-7-9
Hi guys!
I need to import a different data's from a lot of csv. In this example is about frews.csv. Every file has a different name, and i don't want to change every time the file name.
filename = 'C:\Users\Jhon\Desktop\MATLAB\frews.csv';
delimiter = ',';
formatSpec = '%*s%f%[^\n\r]';
fileID = fopen(filename,'r');
dataArray = textscan(fileID, formatSpec, 'Delimiter', delimiter, 'ReturnOnError', false);
fclose(fileID);
frews = [dataArray{1:end-1}];
clearvars filename delimiter formatSpec fileID dataArray ans;
% thanks for your help.

请先登录，再回答此问题。

采纳的回答

madhan ravi
madhan ravi 2020-7-9
https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html See the last example to read multiple files with different names using dir()

更多回答（1 个）

Kanupriya Singh
Kanupriya Singh 2020-7-8
You could store all the different filenames in an array and then use a for loop to iterate over this array, choosing one filename at a time, and execute your code inside the loop.
filenames = ['example1.csv' 'example2.csv' 'example3.csv'];
for idx = 1:length(filenames)
delimiter = ',';
formatSpec = '%*s%f%[^\n\r]';
fileID = fopen(filenames(i),'r');
%...
end

类别

在 Help Center 和 File Exchange 中查找有关 File Operations 的更多信息

标签

产品


版本

R2016a

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by