📄 file_test.c
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#include <stdio.h>#include <unistd.h>#include <stdlib.h>int main(void){ FILE *fp; FILE *fp1; char temp[200]; int line_count; int i; system("ls > temp.txt"); //usleep(500); system("cat temp.txt |wc -l >line.txt"); //usleep(500); fp1=fopen("line.txt","r"); fp=fopen("temp.txt","r"); fscanf(fp1,"%d",&line_count); printf("%d\n",line_count); for( i=0; i<line_count;i++) { sprintf(temp,"%d",i); printf("%s ",temp); fscanf(fp,"%s",temp); printf("%s\n",temp); } fclose(fp); fclose(fp1); return;}
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