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Use the fgets function to read the first line from the file badpoem.txt, which reads the line including the newline character.
- fgetl - Read line from file, removing newline characters - MATLAB
fgetl reads characters using the encoding scheme associated...
- Error using fgets Invalid file identifier. Use fopen to generate a ...
uigetfile() might not return a delimiter in the directory...
- fgetl - Read line from file, removing newline characters - MATLAB
18 lip 2016 · uigetfile() might not return a delimiter in the directory portion, so using strcat(path,file) might produce a location that is missing a slash between the directory and the file name. You should switch to using fullfile() to construct the names: it always puts in the slash if needed.
You need to check the return value of fgets. If a read has been successful, fgets returns the pointer to the buffer that you passed to it (i.e. string in your example). If the End-of-File is encountered and no characters have been read, fgets returns NULL. Try this: char string[100]; while(fgets(string, 100, fp)) { printf("%s\n", string); }
Return the next line of a file as a string with line terminator (s) Syntax. line = fgets (fid) line = fgets (fid,nchar) Description. line = fgets (fid) returns the next line for the file with identifier fid. If fgets encounters the end of a file, it returns -1. (See fopen for a complete description of fid.)
MATLAB provides two functions, fgetl and fgets, that read lines from formatted text files and store them in string vectors. The two functions are almost identical; the only difference is that fgets copies the newline character to the string vector but fgetl does not.
Read line from file, discard newline character. Syntax. tline = fgetl (fid) Description. tline = fgetl (fid) returns the next line of the file associated with the file identifier fid. If fgetl encounters the end-of-file indicator, it returns -1.
20 paź 2017 · Error using fgets Invalid file identifier. Use fopen to generate a valid file identifier. Error in fgetl (line 34) [tline,lt] = fgets(fid);
