36 lines
571 B
C
36 lines
571 B
C
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#include <stdio.h>
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#include <stdlib.h>
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int
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main(int argc, char *argv[])
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{
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FILE *stream;
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char *line = NULL;
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size_t len = 0;
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int nread;
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if (argc != 2) {
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fprintf(stderr, "Usage: %s <file>\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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stream = fopen(argv[1], "r");
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if (stream == NULL) {
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perror("fopen");
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exit(EXIT_FAILURE);
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}
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int number;
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int total = 0;
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while ((nread = getline(&line, &len, stream)) != -1) {
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number = atoi(line);
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total += number;
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}
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printf("%d\n", total);
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free(line);
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fclose(stream);
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exit(EXIT_SUCCESS);
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}
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