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You are right. I know you had just pointed out the general structire of the program. I just completed it for the benefit of others too. (without remove).

I have used realloc so that only needed...

Thanks matsp. Very good idea.

I have made some syntax changes to your program and it works very good. Really a good idea.



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

#define ADD_VAR(t, x)...

By mistake I preserved the ~ character in the file. Corrected in the following



int createfile() {
FILE *f;

char filename[256];
char filetext[2048];

The following code also works



int createfile() {
FILE *f;

char filename[256];
char filetext[2048];

I can even use the following also (Though not switch statement)



#include <stdio.h>
struct {
char opcode[5];
int ret_val;
} my_struct[] = {{"add", 1},
...

I want to execute it also. I think it is not that easy. I wanted something like Dynamic SQL from Oracle.

ANyways, thanks.

That also will work. But my original point is different. I wanted to know whether there is any other technique through which we can form a statement and execute it at runtime.

Thanks

Soham

Not really! I was thinking of this in a larger perspective. For this small scale problem, we can use if or swich statement or a program of the following kind. But I wanted to know whether there is...

Yes.

There are three integer variables x1, x2 and x3 having values 1,2 and 3 respectively. Another fourth array variable x contains either x1, x2 or x3. I want to print the value of the variable which is...

Is there any way we can form and execute a statement at runtime in C?