xlsread

Today I wrote a small piece to read data from xls files. Each file has several sheets and I only need one single column from each sheet. And at the end, I concatenated the columns to make a very very long colmn.

clc; clear all; close all;
O51=xlsread('TX2005.xls',1,'E1:E8760');
O52=xlsread('TX2005.xls',2,'E1:E8760');
O53=xlsread('TX2005.xls',3,'E1:E8760');
O54=xlsread('TX2005.xls',4,'E1:E8760');
O55=xlsread('TX2005.xls',5,'E1:E8760');
% O56=xlsread('NJ2005.xls',6,'E1:E8760');
% O57=xlsread('NJ2005.xls',7,'E1:E8760');
% O58=xlsread('NJ2005.xls',8,'E1:E8760');
O61=xlsread('TX2006.xls',1,'E1:E8760');
O62=xlsread('TX2006.xls',2,'E1:E8760');
O63=xlsread('TX2006.xls',3,'E1:E8760');
O64=xlsread('TX2006.xls',4,'E1:E8760');
O65=xlsread('TX2006.xls',5,'E1:E8760');
O66=xlsread('TX2006.xls',6,'E1:E8760');
O67=xlsread('TX2006.xls',7,'E1:E8760');
O68=xlsread('TX2006.xls',7,'E1:E8760');
O69=xlsread('TX2006.xls',7,'E1:E8760');
O71=xlsread('TX2007.xls',1,'E1:E8760');
O72=xlsread('TX2007.xls',2,'E1:E8760');
O73=xlsread('TX2007.xls',3,'E1:E8760');
O74=xlsread('TX2007.xls',4,'E1:E8760');
O75=xlsread('TX2007.xls',5,'E1:E8760');
O76=xlsread('TX2007.xls',6,'E1:E8760');
O77=xlsread('TX2007.xls',7,'E1:E8760');
O78=xlsread('TX2007.xls',4,'E1:E8760');
O79=xlsread('TX2007.xls',5,'E1:E8760');
O710=xlsread('TX2007.xls',6,'E1:E8760');
O711=xlsread('TX2007.xls',7,'E1:E8760');
O712=xlsread('TX2007.xls',7,'E1:E8760');
TXHourly=[O51;O52;O53;O54;O55;O61;O62;O63;O64;O65;O66;O67;O68;O69;O71;O72;O73;O74;O75;O76;O77;O78;O79;O710;O711;O712];