我从一个文件读取输入并将输出写入另一个文件时遇到问题。
这是我的代码
#include <stdio.h>
#include <math.h>
//Variables declarations
FILE *reportfile;
FILE *inputfile;
char ratioName[20];
char nameorganization[25];
int asset1,asset2,asset3;
int lia1,lia2,lia3;
float asset;
float liabilites;
float ratio;
int ave_asset;
int ave_liabilites;
float ave_ratio;
char year[5]
//char currentasset[15];
//char currentLia[30];
//char tekstRatio[45];
//void
void ReadingData(void);
void DoCalcs(void);
void Report(void);
int main(void) {
ReadingData();
DoCalcs();
Report();
return 0;
}
void ReadingData(void){
inputfile = fopen("c:\\class\\current.txt" , "r");
fgets(nameorganization,25, inputfile);
fscanf(inputfile,"%d%d\n", &asset1, &lia1);
fscanf(inputfile,"%d%d\n", &asset2, &lia2);
fscanf(inputfile,"%d%d", &asset3, &lia3);
fclose(inputfile);
}
void DoCalcs(void){
ratio = asset / liabilites;
ave_asset = (asset1 + asset2 + asset3) / 3;
ave_liabilites = (lia1 + lia2 + lia3) / 3;
ave_ratio = ratio / 3;
}
void Report(void){
reportfile = fopen("c:\\class\\alimbetm_cr.txt","w");
fprintf(reportfile,"\n");
fprintf(reportfile,"Current Ratio Report",ratioName);
fprintf(reportfile,"Year");
//fprintf(reportfile,"Current Asset",currentasset);
}
//void GettingInfo(void){
//printf("Please type ratio: ");
//scanf();
//}
当我运行它时,它会将文件保存到新磁盘,但删除旧数据,这不是我想要的。我想要的是从一个文件读取输入/数据,然后将bot输入/输出写入另一个文件而不删除输入。
这是输入文件数据(current.txt)
Hi-Tech Leisure Products
47900 31007
34500 9100
57984 14822
这应该在新文件上如何
Hi-Tech Leisure Products
Current Ratio Report
Current Current Current
Year Assets Liabilities Ratio
----------------------------------------------------------
2010 47900 31007 1.54
2011 34500 9100 3.79
2012 57984 14822 3.91
----------------------------------------------------------
Average 46795 18310 3.08
This report produced by Raul Jimenez.
请帮助
在这种情况下,您需要使用"a"
而不是"w"
,因为write
功能用于清除旧数据并写入新数据
发布的代码无法编译!第一个问题是此语句: