Tilted Forum Project Discussion Community - View Single Post - [C] Incremental string updates

billys · 07-18-2005, 12:43 PM

My C is a bit rusty but sprintf is your friend here.

Try:

Code:

char buffer[10];
for(int i=0; i<10000; i++) {
  sprintf(buffer, "%05d.png", i);
  /* write file contents */
}

the %05d is a format string that tells the compiler to format a string containing a decimal integer (the d) to a width of 5 characters (the 5) and to pad using a 0 character (the 0) and then to append that with .png.

I dont have a C compiler anymore so I cant test this but it should be right, google will find you literally hundreds of guides to format strings with printf and sprintf though.

Hope this helps

07-18-2005, 12:43 PM	#5 (permalink)
billys Upright Location: Chester, UK	My C is a bit rusty but sprintf is your friend here. Try: Code: char buffer[10]; for(int i=0; i<10000; i++) { sprintf(buffer, "%05d.png", i); /* write file contents */ } the %05d is a format string that tells the compiler to format a string containing a decimal integer (the d) to a width of 5 characters (the 5) and to pad using a 0 character (the 0) and then to append that with .png. I dont have a C compiler anymore so I cant test this but it should be right, google will find you literally hundreds of guides to format strings with printf and sprintf though. Hope this helps