vb reads a line in txt textHere are two ways to read a line of txt-text:
Method 1:
```vb
Dim I As Long
Dim S As String
I = 0
Open "d:\a.txt" For Input As #1
Do While Not EOF(1)
LineInput #1, S
I = I + 1
Loop
Close #1
```
In this method, you can read the contents of the file line by line through the `LineEntry` statement. The variable `S` here will get the contents of each line in the file in turn.
Method 2:
```vb
Private Sub Form_Load()
Open "d:\your file.txt" For BinaryAs #1
s = Split(Input$(LOF(1), 1), vbCrLf)
Close #1
MsgBox "Total" & UBound(s) + 1 "& Line"
End Sub
```
This method was to first read the entire file content and store it in an array according to the carriage return and line feed (`vbCrLf`). Each element of the array was a line of content in the file.
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matlab reads txt data by lineReading the txt-based data by line in Matlab can be done in the following way: First, use the `fopen` function to open the txt-based file, such as `gid =fopen('Coordinate.txt');`. Then, you can use the fgetl function to read one line of data at a time in the while loop. In the loop condition, you can use ~feof(pid) to determine whether the file pointer has reached the end of the file. The sample code is as follows:
```matlab
gid =fopen('Coordinate.txt');% First open the text file Coordinate.txt.
temp = [];
while~feof(pid)%while loop means that the file pointer has not reached the end, continue
% reads one line at a time, string is a string format
str= fgetl(fid);
% The subsequent rows of data str. can be processed according to the requirements.
end
fclose(fid);
```
If you want to divide the read row data according to specific symbols and add them to the array, you can use the `regexp` function after reading each row of data. For example, use `',` as the characters to divide the read row data into a cell array. The example is as follows:
```matlab
gid =fopen('Coordinate.txt');% First open the text file Coordinate.txt.
temp = [];
while~feof(pid)%while loop means that the file pointer has not reached the end, continue
% reads one line at a time, string is a string format
str= fgetl(fid);
% uses ',' as the character to split the data, the result is a cell array.
s=regexp(str,',','split');
temps1 = str2num(char(s{1}));
temps2 = str2num(char(s{2}));
temp = [temp;temps1 temps2];
end
fclose(fid);
```
If you want to read the data of a specified line in the txt-file, you can write a specific function to achieve it. For example, the following function is a program that takes the line in the file and writes it into the file:
```matlab
function dataout=dataread(filein,fileout,line)
fidin=fopen(filein,'r');
fidout=fopen(fileout,'w');
nline=0;
while ~feof(fidin) % to determine if it is the end of the file
tline=fgetl(fidin); % Read line from file
nline=nline+1;
if nline==line
fprintf(fidout,'%s/n',tline);
dataout=tline;
end
end
fclose(fidin);
fclose(fidout);
```
The format of the call is `dataout=dataread(file in, file out,line)`. If the data in the txt-file is in matrix form and there are no other words, you can use the `textreaded` function to read any row and column of data, such as `a= textreaded ('ll.txt');t=a(1:43,4: 10);`(where `1:43` is row 1 to 43, and `4:10` is column 4 to 10. Of course, you can also read only one data.)
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