xlsread not reading text only excel file

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Ender
Ender el 7 de Ag. de 2014
Comentada: Walter Roberson el 21 de Mayo de 2022
I am trying to get xlsread to read a excel file that has mostly text. This is my excel file.
test.xlsx
Patrice Oneal 22-Jun-2012 Bill Burr 9-Dec-10
For some reason MATLAB turns the variable with the filename to []. I can't figure out why. I don't think that the code is reading the test.xlsx file.I would like for MATLAB to put the file into an array, however MATLAB just stores the variable that is supposed to contain the array with a "[]". I don't understand why? Can someone explain what I am doing wrong, and how to fix it?
Here is my code:
% Clear all variables screen clear all
% Clear screen clc
% Ask user if they have an excel file they would like to read from prompt = ('Do you have an excel file to add to list? y/n \n'); user_ans_file = input(prompt,'s');
% If/else statement if the user says yes to having an Excel file
if user_ans_file == 'y'
% Ask user if the Excel file is in the write format
prompt = ('Is the excel file in the correct format [First Name|Last Name|dd-mmm-yyyy]? y/n \n');
user_ans_format = input(prompt,'s');
% If/else statement if the user says yes to having an Excel file in the write format
if user_ans_format == 'y'
% Ask user if the Excel file is in the write format
prompt = ('what is the name of the file with the .xlsx extention? \n');
file_name = input(prompt,'s');
% file_name = 'file_name'.xlsx;
% Read the Excel file that the user stated
num = xlsread(file_name);
end
else
end
--Ender--

Respuesta aceptada

Iain
Iain el 8 de Ag. de 2014
You're only reading out the numbers, you want to read the file with:
[numbers, TEXT, everything] = xlsread(file_name);
TEXT{2,1} is cell A2.
  3 comentarios
Ntwanano Baloyi
Ntwanano Baloyi el 21 de Mayo de 2022
This was very helpful. How do I read the data from other sheets because I used this and it read data from sheet 1 only
Walter Roberson
Walter Roberson el 21 de Mayo de 2022
Is there a reason you have not switched to readtable()?

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Más respuestas (2)

Andy L
Andy L el 7 de Ag. de 2014
Editada: Andy L el 8 de Ag. de 2014
First of all your filename. You use the following lines of code to set up your file name:
file_name = input(prompt,'s');
Are you adding the .xlsx extension to the file name? This may be having an effect. You can add the extension by the following code:
file_name = [file_name,'.xlsx'];
As for the empty data array have you checked the matlab help for xlsread? num returns the numeric only data from the file. If you use the following format of the function
[num,txt,raw] = xlsread()
This should return the text data in a cell array txt. There is more information on the function in that link.
  1 comentario
madhan ravi
madhan ravi el 19 de Mzo. de 2018
Editada: madhan ravi el 19 de Mzo. de 2018
[num,txt,raw] = xlsread()-> only numbers are displayed even though the file contains text

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Ender
Ender el 8 de Ag. de 2014
Thanks!
I originally told the user to delete the .xlsx extension, however you code works because I don't have to make that note to the user
--Ender--

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