data.txt
Pepsi: 80, okay
Ginger Ale: 97, great
Mt Due: 20, no
Coke: 80, okay
Moxie: 100, yes
DrPep: 75, kinda
parse.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAXLINESIZE 255
#define MAXTOKENSIZE 100
int main (int argc, char *argv[]) {
char inString[MAXLINESIZE];
char soda[MAXTOKENSIZE];
char score[MAXTOKENSIZE];
char comment[MAXTOKENSIZE];
char *token;
FILE *fp = fopen(argv[1], "r");
if (fp == NULL) {
printf("Bad filename\n");
return 1;
}
while(fgets(inString, MAXLINESIZE, fp) != NULL) {
token = strtok(inString, ":,\n");
strcpy(soda, token);
token = strtok(NULL, ":,\n");
strcpy(score, token);
token = strtok(NULL, ":,\n");
strcpy(comment, token);
printf("Soda: %s, Score: %s, Comment: %s\n", soda, score, comment);
}
return 0;
}
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAXLINESIZE 255
#define MAXTOKENSIZE 100
int main (int argc, char *argv[]) {
char inString[MAXLINESIZE];
char soda[MAXTOKENSIZE];
char score[MAXTOKENSIZE];
char comment[MAXTOKENSIZE];
FILE *fp = fopen(argv[1], "r");
if (fp == NULL) {
printf("Bad filename\n");
return 1;
}
while(fgets(inString, MAXLINESIZE, fp) != NULL) {
strcpy(soda, strtok(inString, ":,\n"));
strcpy(score, strtok(NULL, ":,\n"));
strcpy(comment, strtok(NULL, ":,\n"));
printf("Soda: %s, Score: %s, Comment: %s\n", soda, score, comment);
}
return 0;
}
H e l l o
H in String token -> l l o
instring = Pepsi:85,okay/n
strtok(inString, ":");
inString token -> pepsi - 85, okay
strtok(inString, ",");
inString token -> Pepsi - 85, okay
token - 85
strtok(inString, "/n");
pepsi -> 85 -> okay
token - okay
strcpy(current->data, strtok(inString, ":/n"));
strcpy(current->value, atoi(strtok(NULL, ":/n")));
