CCS 3.3 操作C函数读写文件

时间:2023-01-25 09:57:52
#include "stdio.h"


int main()
{
    FILE *fp_G,*fp_A,*fp_T,*fp_Out;
    double g[3];
    double a[3];
    double t;
    double tmp=0;
    fp_G=fopen("E:\\2-DSP\\C6726\\Prj\\Test2\\g.txt","r");
    fp_A=fopen("E:\\2-DSP\\C6726\\Prj\\Test2\\a.txt","r");
    fp_T=fopen("E:\\2-DSP\\C6726\\Prj\\Test2\\t.txt","r");

    fp_Out=fopen("E:\\2-DSP\\C6726\\Prj\\Test2\\outtofile.txt","w");


    while(1)
    {
        /*   读文件 */
        for(int i=0;i<3;i++)
        {
            if(fscanf(fp_G,"%lf",&tmp)!=EOF)
            {
                g[i]=tmp;
            }
            else
            {
                goto CLOSEFILE_G;
            }
        }
        for(int i=0;i<3;i++)
        {
            if(fscanf(fp_A,"%lf",&tmp)!=EOF)
            {
                a[i]=tmp;
            }
            else
            {
                goto CLOSEFILE_A;
            }
        }
        if(fscanf(fp_T,"%lf",&tmp)!=EOF)
        {
            t=tmp;
        }
        else
        {
            goto CLOSEFILE_T;
        }

        /*写文件*/
        fprintf( fp_Out, "%.15lf\t%.15lf\t%.15lf\n", g[0],g[1],g[2] );


    }
    CLOSEFILE_G:    fclose(fp_G);
    CLOSEFILE_A:    fclose(fp_A);
    CLOSEFILE_T:    fclose(fp_T);
    fclose(fp_Out);    
}