Re: [MLUG] String manipulation in C

["Mark Rages" <EMAIL:PROTECTED>]

On 7/1/07, Jack Smith <EMAIL:PROTECTED> wrote:
> The matches will need to be put in a MATLAB data frame first and then a
> MySQL database later. Outputting data in columns would work as I could
> read the columns in later to make the data frame.
>
> I know that grep will find the expression as many times as it appears in
> the string searched. But I need it to find how many characters the start
> of the match is from the start of the string. The best that I see can
> come from grep is number of letters that the first character in the line
> the match is in is from the start (the byte offset.) But I need the
> actual distance from start -> match.
>
>
> Jack

OK, if you wanna try C:

#include <string.h>

void print_offset_matches(char *needle, char *haystack) {
 char *begin=haystack;

 while (haystack=strstr(haystack,needle))
   printf("%d\n",haystack-begin);
}


--
Mark Rages, Engineer
Midwest Telecine LLC
EMAIL:PROTECTED

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