+ "\t-c CACHESIZE - cache size in pages (default 0)\n"
+ "\t-r - readonly mode\n"
+ "\t-k - fixed size key (integer)\n"
+ "\t-f FILE - db-file (default ./BTREE)");
+ puts(
+ "\t-D - dump data base\n"
+ "\t-L - list all pairs (in bulk format)\n"
+ "\t-b - bulk operations from stdin in format (insert/delete/search):\n"
+ "\t I KEY VALUE\n"
+ "\t D KEY\n"
+ "\t S KEY\n"
+ "\t-i KEY -v VALUE - insert KEY/VALUE\n"
+ "\t-d KEY - delete key\n"
+ "\t-s KEY - search key\n"
+ "\t-V - print page read/writes at the end\n"
+ "\t-q - do not print results of searches\n"