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checking a file size i C

Posted on 2004-04-04
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Last Modified: 2011-09-20
How could i check to see whether a file size > or ==  to some value?
(in C language)
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Question by:achille67
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4 Comments
 
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Alf666 earned 20 total points
ID: 10753881
Just use the stat() or the fstat calls.

Example :

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

main(int argc, char **argv) {
struct stat buf ;
int size = 100 ; // octets

  stat("file_name", &buf);
  if (buf.off_t >= size) {
     // do what you have to do
  }
}

man 2 stat will give you more infos.
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Author Comment

by:achille67
ID: 10753925
thanks  Alf666,
you gave me my first exciting answer through this website,
thanks again man.
Achille67.
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LVL 9

Expert Comment

by:Alf666
ID: 10753949
Is this the reason why you offer so few points ? ;-)
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Author Comment

by:achille67
ID: 10753966
My bad dude, next time u will have a bigger one :-)
Also i thought modulo will answer this question so i gave a little point only :-)
for not answering my previous questions as i wanted :-)

Achille67
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