// :
1 (, ) .
p = fopen( \-, w);
2 ( dfa21.cpp) . :
) , , \bcw, OK bcw bc Windows
) , , , , Enter
( ):
) , , d:\borlandc\bin\bcw, OK Borland C++, File, Open, dfa21.cpp, 2click dfa21.cpp.
) , , , , () ,
d:\borlandc\bin\bcw d:\borlandc\bin\dfa21.cpp, Enter Borlandc C++ dfa21.cpp.
.
=0!
, .
/*File is absent fopen(), fclose() - ,
putc()/fputc(), getc()/fgetc() - ..,
fputs(), fgets() - ..,
fseek(), ftell() - ,
fprintf(),fscanf()- printf(),scanf()
feof(), ferror()- true ,
rewind(), remove()- ,
fflush - ()
r, w, a - , ,
rb, wb, ab - "-"
r+, w+, a+ - , , , + -
r+b,w+b,a+b-
=0 //15
*/
#include <iostream.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <conio.h> //22
int main(/*int argc, char *argv[2]*/)
{ FILE *fp;
char c;
int k, i=0; // =1
int argc; char *argv[1]; //28
m:printf(" k=(0/0) (/c) Enter\n");
scanf(" %1d", &k);
// getch()
switch(k) //33
{ case 0: if((fp=fopen("d:\dfa201.doc","w"))==NULL)
{ printf(" _1\n");
exit(1);
}
break;
/* case 1: if(argc!=2)
{ printf(" , argc=%d \n", argc);
exit(1);
}
if((fp=fopen(argv[1], "w"))==NULL)
{ printf(" , argv[1]=%d \n", argv[1]);
exit(1);
}
break;
*/ default: printf(" 0 /* 1*/\n"); ++i; if(i>=3)exit(1);goto m;
|
|
|
} //49
printf(" d:\dfa201 ! \n");
do { c=getche(); //
putc(c,fp); //
if (c=='$')break;
printf("\n to finish press symbol $\n");
} while (c!= '$'); //55
printf(" !\n\n");
fclose(fp);
getch();
return 0;
} //60
, , . !
!
. . .
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
int main(void)
{ FILE *fp;
char str[80];
// a+ - dfa201
if ((fp=fopen("d:\dfa201.doc","a+"))==NULL)
{ printf(" .\n");
exit(1);
}
/* rewind(fp);
while(!feof(fp))
{ fgets(str,79, fp);
printf(" str=%s\n",str);
}
*/
//
do { printf(" . Enter\n");
gets(str); //printf(" str=%s\n",str);
strcat(str, "\n"); // \n
fputs(str, fp); // dfa201
} while(*str!='\n');
//
rewind(fp); //
while(!feof(fp))
{ fgets(str, 79, fp); //
printf(str); //
}
return 0;
}
