c語言保存txt文件

❶ c璇璦闂棰 濡備綍浠巘xt鏂囨湰鍒ゆ柇璇誨彇瀛楃︿覆鏄鍚︽槸鏁板瓧瀛楃︿覆錛屾彁鍙栨暟瀛楀瓧絎︿覆騫朵繚瀛樹負txt鏂囦歡

#include<stdio.h>
#include<stdlib.h>

#definemcr__file_name_max_length256/*鏂囦歡鍚嶆渶澶х殑闀垮害*/

intmain(intargc,char*argv)
{
charchr1_source_file_name[mcr__file_name_max_length+1];/*婧愭枃浠璺寰勫拰鏂囦歡鍚*/
charchr1_new_file_name[mcr__file_name_max_length+1];/*淇濆瓨鏁板瓧鐨勬柊鏂囦歡鍚*/
charchr_read;/*涓存椂璇誨彇鍑烘潵鐨勫瓧絎*/
/*鎹㈣屾爣璁幫紝濡傛灉鍊間負1琛ㄧず鏂版枃浠跺唴瀹歸渶瑕佹崲琛岋紝涓0琛ㄧず涓嶉渶瑕佹崲琛*/
unsignedcharuchr_next_line=0;
unsignedcharuchr_number=0;/*濡傛灉鏁板瓧涓嬈￠兘娌″嚭鐜拌繃鍒欎負0錛屽惁鍒欎負1*/
FILE*p_file_source;/*鎸囧悜婧愭枃浠剁殑鏂囦歡鎸囬拡*/
FILE*p_file_new;/*鎸囧悜鏂版枃浠剁殑鏂囦歡鎸囬拡*/

/*鑾峰彇鐩鏍囨枃浠跺拰鏂版枃浠剁殑鍚嶇О銆傚傛灉鏂囦歡鍜岀▼搴忓湪鍚屼竴涓鏂囦歡澶涓嬶紝
鍒欎笉闇瑕佽緭鍏ュ畬鏁磋礬寰*/
printf("璇瘋緭鍏ョ洰鏍囨枃浠跺畬鏁寸殑璺寰勫強鏂囦歡鍚嶏細");
scanf("%s",chr1_source_file_name);
printf("璇瘋緭鍏ユ柊鏂囦歡鐨勫畬鏁磋礬寰勫強鏂囦歡鍚嶏細");
scanf("%s",chr1_new_file_name);

p_file_source=fopen(chr1_source_file_name,"r");
if(p_file_source)/*濡傛灉鎴愬姛鎵撳紑鏂囦歡*/
{
/*鍒涘緩涓涓鏂版枃浠剁敤浜庝繚瀛樻暟瀛瀛楃︿覆*/
p_file_new=fopen(chr1_new_file_name,"w");
if(p_file_new==NULL)/*濡傛灉鏂版枃浠跺壋寤哄け璐*/
{
fclose(p_file_source);/*鍏抽棴鍏堝墠鎵撳紑鐨勬簮鏂囦歡*/
exit(0);/*閫鍑虹▼搴*/
}
/*璇誨彇婧愭枃浠朵腑鐨勫唴瀹*/
while(!feof(p_file_source))
{
chr_read=fgetc(p_file_source);
if('0'<=chr_read&&chr_read<='9')/*濡傛灉璇誨彇鍒扮殑瀛楃︽槸鏁板瓧*/
{
uchr_number=1;/*鏍囨槑錛屾暟瀛楀嚭鐜拌繃*/
if(uchr_next_line)/*濡傛灉鎹㈣屾爣璁頒負鐪*/
{
fputc('
',p_file_new);/*鎹㈣*/
uchr_next_line=0;/*灝嗘崲琛屾爣璁伴噸緗涓0*/
}
fputc(chr_read,p_file_new);/*灝嗚誨彇鍒扮殑鏁板瓧瀛楃︿繚瀛樺埌鏂版枃浠*/
}
else/*濡傛灉璇誨彇鍒扮殑瀛楃︿笉鏄鏁板瓧瀛楃*/
{/*灝嗘崲琛屾爣璁拌劇疆涓1錛岄偅涔堜笅涓嬈″啓鏂囦歡鏃訛紝灝嗕細鎹㈣*/
if(uchr_number)
{
uchr_next_line=1;
}
}
}
fclose(p_file_source);
fclose(p_file_new);
}
return1;
}

榪愯岀粨鏋滃傚浘鎵紺猴細

❷ C語言逐行讀取txt中的數據，並保存到數組中

#include<stdio.h>
intmain(void){
FILE*fin=fopen("file.txt","r");/*假設文件名為file.txt*/
inta[100],i;
for(i=0;i<100;i++){
fscanf(fin,"%d",&a[i]);
}
fclose(fin);
/*此時已經讀取完畢，可以進行接下來的處理了*/
return0;
}