我现在要对一文本内容进行修改,文本内容:
ETCH x=3 y=4;
ETCH x=4 y=5;
ETCH x=5 y=6;
修改要求是 将x的数值加1,即修改后内容为:
ETCH x=4 y=4;
ETCH x=5 y=5;
ETCH x=6 y=6;
fscanf(fp, "ETCH x=%d y=%d;", &i, &j);
fprintf(fp, "ETCH x=%d y=%d;", i+1, j+1);这样为什么改不了?
ETCH x=3 y=4;
ETCH x=4 y=5;
ETCH x=5 y=6;
修改要求是 将x的数值加1,即修改后内容为:
ETCH x=4 y=4;
ETCH x=5 y=5;
ETCH x=6 y=6;
fscanf(fp, "ETCH x=%d y=%d;", &i, &j);
fprintf(fp, "ETCH x=%d y=%d;", i+1, j+1);这样为什么改不了?
{
FILE* file = fopen("d:\\etch.txt", "r");
FILE* fout = fopen("d:\\etchex.txt", "a+");
if(file==0) return 1;
if(fout==0){
fclose(file);
return 2;
} int x, y;
//ETCH x=3 y=4;
while(fscanf(file, "ETCH x=%d y=%d;\n", &x, &y)>0)
{
fprintf(fout, "ETCH x=%d y=%d;\n", x+1,y);
} fclose(file);
fclose(fout);
return 0;
}
变为了
ETCH x=4 y=4其余的
ETCH x=4 y=5;
ETCH x=5 y=6;
都没有了,怎么办?