Hi programmers,
I want read line by line a Unicode (UTF-8) text file created by Notepad, i don't want display the Unicode string in the screen, i want just read and compare the strings!.
This code read ANSI file line by line, and compare the strings
What i want
Read test_ansi.txt line by line
if the line = "b" print "YES!"
else print "NO!"
read_ansi_line_by_line.c
#include <stdio.h>
int main()
{
char *inname = "test_ansi.txt";
FILE *infile;
char line_buffer[BUFSIZ]; /* BUFSIZ is defined if you include stdio.h */
char line_number;
infile = fopen(inname, "r");
if (!infile) {
printf("\nfile '%s' not found\n", inname);
return 0;
}
printf("\n%s\n\n", inname);
line_number = 0;
while (fgets(line_buffer, sizeof(line_buffer), infile)) {
++line_number;
/* note that the newline is in the buffer */
if (strcmp("b\n", line_buffer) == 0 ){
printf("%d: YES!\n", line_number);
}else{
printf("%d: NO!\n", line_number,line_buffer);
}
}
printf("\n\nTotal: %d\n", line_number);
return 0;
}test_ansi.txt
a
b
cCompiling gcc -o read_ansi_line_by_line read_ansi_line_by_line.c Output
test_ansi.txt
1: NO!
2: YES!
3: NO!
Total: 3Now i need read Unicode (UTF-8) file created by Notepad, after more than 6 months i don't found any good code/library in C can read file coded in UTF-8!, i don't know exactly why but i think the standard C don't support Unicode!
Reading Unicode binary file its OK!, but the probleme is the binary file most be already created in binary mode!, that mean if we want read a Unicode (UTF-8) file created by Notepad we need to translate it from UTF-8 file to BINARY file!
This code write Unicode string to a binary file, NOTE the C file is coded in UTF-8 and compiled by GCC
What i want
Write the Unicode char "ب" to test_bin.dat
create_bin.c
#define UNICODE
#ifdef UNICODE
#define _UNICODE
#else
#define _MBCS
#endif
#include <stdio.h>
#include <wchar.h>
int main()
{
/*Data to be stored in file*/
wchar_t line_buffer[BUFSIZ]=L"ب";
/*Opening file for writing in binary mode*/
FILE *infile=fopen("test_bin.dat","wb");
/*Writing data to file*/
fwrite(line_buffer, 1, 13, infile);
/*Closing File*/
fclose(infile);
return 0;
}Compiling gcc -o create_bin create_bin.c Output [I]create test_bin.dat[/I] Now i want read the binary file line by line and compare!
What i want
Read test_bin.dat line by line
if the line = "ب" print "YES!"
else print "NO!"
read_bin_line_by_line.c
#define UNICODE
#ifdef UNICODE
#define _UNICODE
#else
#define _MBCS
#endif
#include <stdio.h>
#include <wchar.h>
int main()
{
wchar_t *inname = L"test_bin.dat";
FILE *infile;
wchar_t line_buffer[BUFSIZ]; /* BUFSIZ is defined if you include stdio.h */
infile = _wfopen(inname,L"rb");
if (!infile) {
wprintf(L"\nfile '%s' not found\n", inname);
return 0;
}
wprintf(L"\n%s\n\n", inname);
/*Reading data from file into temporary buffer*/
while (fread(line_buffer,1,13,infile)) {
/* note that the newline is in the buffer */
if ( wcscmp ( L"ب" , line_buffer ) == 0 ){
wprintf(L"YES!\n");
}else{
wprintf(L"NO!\n", line_buffer);
}
}
/*Closing File*/
fclose(infile);
return 0;
}Compiling gcc -o read_bin_line_by_line read_bin_line_by_line.c Output
test_bin.dat
YES!THE PROBLEM
This method is VERY LONG! and NOT POWERFUL (i m beginner in software engineering)
Please any one know how to read Unicode file ? (i know its not easy!)
Please any one know how to convert Unicode file to Binary file ? (simple method)
Please any one know how to read Unicode file in binary mode ? (i m not sure)
Thank You.
