www.pudn.com > File_R&W.rar > File.cpp

#include  
#include  
#include  
 
int main() 
{ 
	FILE *fp = NULL, *fpNew = NULL; 
	long l = 0; 
	char* pstring = NULL, *pNewString = NULL; 
	 
	if( (fp = fopen( "e:\\a.txt", "r" )) != NULL ) 
	{ 
		fseek(fp, 0, SEEK_END); 
		l = ftell(fp); 
		fseek(fp, 0, SEEK_SET);	 
		pstring = (char*)malloc(l);	 
		pNewString = (char*)malloc(l);	 
		fread(pstring, sizeof( char ), l, fp ); 
		printf( "%s\n", pstring ); 
	} 
	else 
	{ 
		printf( "Problem opening the file\n" ); 
		return 0 ; 
	} 
	 
	fpNew = fopen("e:\\b.txt", "w"); 
	for(int i = 0; i < l; i++) 
	{	 
		int j = 0;				 
		if((64 < (int)pstring[i] && (int)pstring[i] < 90 )||  
			(95 < (int)pstring[i] && (int)pstring[i] <123)) 
		{ 
			pNewString[j] = pstring[i];	 
			fwrite(pNewString, sizeof(char), 1, fpNew); 
		} 
		else if((int)pstring[i] == 32) 
		{ 
			pNewString[j] = '\n';	 
			fwrite(pNewString, sizeof(char), 1, fpNew);		 
		} 
		 
	} 
	free(pstring);	 
	free(pNewString); 
	return 0;	 
}