实验十一 文件操作程序设计实验(3)
时间:2025-04-20
时间:2025-04-20
printf("File open error!\n");
exit(0);
}
while(!feof(fp1)){
ch=fgetc(fp1);
if(ch>='A'&&ch<='Z'){
daxie++;}
else if(ch>='a'&&ch<='z'){
xiaoxie++;}
else if(ch>='0'&&ch<='9'){
shuzi++;}
else qita++;
}
if(fclose(fp1)){
printf("Can not close the file!\n");
exit(0);
}
if((fp2=fopen("test.dat","w"))==NULL){
printf("File open error!\n");
exit(0);
}
fprintf(fp2,"大写=%d\n小写=%d\n
=%d\n",daxie,xiaoxie,shuzi,qita);
if(fclose(fp2)){
printf("Can not close the file!\n");
exit(0);
}
return 0;
}
2.输出文本文件input.txt中的非空格字符。
数字=%d\n其它