,'r');%# open csv file for readingfid2 = fopen('new.csv','w');%# open new csv filewhile~feof(fid1) line = fgets(fid1);%# read line by lineA = sscanf(line,'%*[^,],%f,%f');%# sscanf can read only numeric data :(ifA(2)<4.185%# test the valuesfprintf(fid2,'%s',lin...
function output = readTestFile(filename) fid = fopen(filename, 'r'); % Read the first line line = ''; while isempty(line) line = fgetl(fid); end nums = textscan(line, '%d %d', 'CollectOutput', 1); a = nums{1}(1); b = nums{1}(2); % Read 'b' of ...
下面这个函数是取filein中的第line行写入fileout中的程序,如果想实现取特定几行,只要稍微修改一下就可以。 function dataout=dataread(filein,fileout,line) fidin=fopen(filein,'r'); fidout=fopen(fileout,'w'); nline=0; while ~feof(fidin) % 判断是否为文件末尾 tline=fgetl(fidin); % 从文件...
Example 2: Using STRREAD to read the words in a line % This command uses the cell array created in Example 1 to % read in each word of line 28 in 'file' to a cell array, words words = strread(file{28},'%s','delimiter','') CODE: Example 3: Using TEXTREAD to read in text an...
This is a file header. This is file is an example. col1 col2 col3 col4 A 1 4 612.000 B 1 4 613.000 C 1 4 614.000 D 1 4 615.000 Example: Using IMPORTDATA to read in a file with headers, text, and numeric data CODE:
您无法使用csvread读取文本字符串。 这是另一个解决方案：fid1 = fopen('test.csv','r'); %# open csv file for reading fid2 = fopen('new.csv','w'); %# open new csv file while ~feof(fid1) line = fgets(fid1); %# read line by line A = sscanf(line,'%*[^,],%f,%f'...
text file FILENAME.%% Example:% HPortImg = importfile('20220705214455H_PortImg.txt', 1, 2652);%% See also TEXTSCAN.% Auto-generated by MATLAB on 2023/03/20 21:51:49%% Initialize variables.delimiter=',';ifnargin<=2startRow=1;endRow=inf;end% For more information, see the TEXTSCAN ...
要从HTML 代码中提取文本,请使用extractHTMLText。 要从PDF 表单中读取数据,请使用readPDFFormData。 文本文件 用extractFileText,从sonnets.txt中提取文本。文件sonnets.txt包含纯文本形式的莎士比亚十四行诗。 filename="sonnets.txt";str=extractFileText(filename); ...
使用csvread无法读取文本字符串。这里有另一个解决方案: fid1 = fopen('test.csv','r'); %# open csv file for reading fid2 = fopen('new.csv','w'); %# open new csv file while ~feof(fid1) line = fgets(fid1); %# read line by line A = sscanf(line,'%*[^,],%f,%f'); %# ...
方法/步骤 1 出现这一报错，一般是因为Excel的COM加载项增多了。我们在安装Foxit Reader、EViews等软件时，在默认情况下，会增加Excel的COM加载项。所以，当MATLAB报错：错误使用xlsread(line249)时，我们需要检查Excel的COM加载项，去掉新增加载项前面的勾选符号。首先，打开工作簿1.xlsx，在菜单栏中，找到文件，...