matlab提取多数据txt文件

pt = ‘F:\text100GHz\‘;                             % 换成自己的路径
et = ‘.txt‘;                                       % 文件后缀及扩展名
n = 99;                                             % 文件数量

r1 = [];                                            % 结果存放矩阵
M=10060;                                             

L1=3;                                               %提取L1-L2列 
L2=3; 
h=waitbar（0‘please wait‘）;                                            
for H1=9055:M   
   H2=H1;                               %提取H1-H2行                                        
   R = [];                                            % 结果存放矩阵  
   str=[‘运行中...‘num2str（（1006-（M-H1+1））/1006*100）‘%‘];
   waitbar（（1006-（M-H1+1））/1006hstr） 
 for p = 0:n
  if p<=9
    ff = ‘0000‘;                                   % 文件前缀