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- # include <stdio.h>
- # include <stdlib.h>
- # include <zlib.h>
- #include <string.h>
- #include <stdbool.h>
-
- bool StartsWith(const char *a, const char *b)
- {
- if(strncmp(a, b, strlen(b)) == 0) return 1;
- return 0;
- }
-
- void slice_str(const char * str, char * buffer, size_t start, size_t end)
- {
- size_t j = 0;
- for ( size_t i = start; i <= end; ++i ) {
- buffer[j++] = str[i];
- }
- buffer[j] = 0;
- }
-
-
- # define LL 8192 /* line length maximum */
-
- int main ( int argc, char *argv[] ){
- if ( argc < 3) {
- printf("Need 2 args!\n");
- return 1;
- }
- gzFile fp;
- char line[LL];
- char delim[] = "\t";
- fp = gzopen( argv[1], "r" );
-
- gzgets( fp, line, LL );
- while ( ! gzeof( fp ) ){
- int k = 0;
- if ( StartsWith(line, "##") || ( StartsWith(line, "#") ) || (strstr(line, "./.:.") != NULL)){
- gzgets( fp, line, LL );
- continue;
- }
-
- char *vcf_field = strtok(line, delim);
- while(vcf_field != NULL){
- k++;
- if (k > 9) {
- const size_t len = strlen(vcf_field);
- char buffer[len + 1];
- //printf("'%s'\n", ptr);
- slice_str(vcf_field, buffer, 0, 0);
- printf("%s ", buffer);
- }
- vcf_field = strtok(NULL, delim);
- }
- // printf("%s", line );
- // loads the next line
- gzgets( fp, line, LL );
- }
-
- gzclose( fp );
- return 0;
- }
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