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@@ -36,7 +36,11 @@ static int read_raw_file(const char *filename, char **buffer, size_t *length)
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static void usage(void)
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{
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- printf("usage: ipedec [--num-rows=ROWS] [--clear-frame] FILE [FILE ...]\n");
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+ printf("usage: ipedec [--num-rows=ROWS] [--clear-frame] FILE [FILE ...]\n\
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+Options:\n\
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+ -h, --help Show this help message and exit\n\
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+ -r, --num-rows=N N rows that are contained in the file\n\
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+ -c, --clear-frame Clear the frame for each iteration\n");
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}
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static void process_file(const char *filename, int rows, int clear_frame)
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