csv

csv reading library
git clone git://bvnf.space/csv.git
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main.c (1027B)


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#include <stdio.h>
#include <unistd.h>
#include "csv.h"

int
main(int argc, char **argv) {
    int c;
    char flag_H = 0;
    while ((c = getopt(argc, argv, "Hh")) != -1) {
        switch (c) {
            case 'H':
                flag_H = 1;
                break;
            case 'h':
                goto usage;
        }
    }
    if (argc - optind > 1) {
usage:
        fprintf(stderr,
            "usage: %s [-H] [file]\n  if no filename given, data is read from stdin\n"
            "  -H\tread data headers from first line\n", argv[0]);
        return 1;
    }

    FILE *f;
    if (argc - optind == 0) {
        f = stdin;
    } else {
        f = fopen(argv[optind], "r");
        if (f == NULL) {
            perror(argv[optind]);
            return 1;
        }
    }
    struct csv *csv = csv_create();
    if (csv == NULL) {
        perror("csv_create");
        return 1;
    }
    int ret = csv_read_file(f, csv, flag_H);
    if (ret != 0) {
        csv_destroy(csv);
        return 1;
    }
    return 0;
}