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#include "cfg.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define BUFSIZE (1024)
void parents2arcs(char* parfile, char* arcfile)
{
char buffer[BUFSIZE];
int v;
FILE* parf = strcmp(parfile,"-") ? fopen(parfile, "r") : stdin;
FILE* arcf = strcmp(arcfile,"-") ? fopen(arcfile, "w") : stdout;
for(v=0; NULL != fgets(buffer, BUFSIZE, parf); ++v){
/* could check that the last character in buffer is newline */
char* token;
for(token=strtok(buffer, " \t\r\n"); token; token=strtok(NULL, " \t\r\n")){
fprintf(arcf, "%d %d\n", atoi(token), v);
}
}
fclose(arcf);
fclose(parf);
}
int main(int argc, char* argv[])
{
if (argc!=3) {
fprintf(stderr, "Usage: parents2arcs parentfile arcfile\n");
return 1;
}
parents2arcs(argv[1], argv[2]);
return 0;
}
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