#! /usr/bin/env python3
import sys
from intern import main_class

if len(sys.argv) == 1: # CLI loop
    main = main_class()
    while True:
        print(">>> ", end="", flush=True)
        commandstr = input()
        res = main.get_rstring(main.run_command(commandstr), errorsonly=False)
        if res != None:
            print(res)
else:                  # File execution loop
    main = main_class()
    if sys.argv[1] == "-c":
        del sys.argv[1]
        if len(sys.argv[1]) == 1:
            sys.exit(1)
    with open(sys.argv[1], mode="r") as f:
        for line in f:
            if line[-1] == "\n":
                line = line[:-1]
            cmdres = main.get_rstring(main.run_command(line), errorsonly=True)
            if cmdres:
                print(cmdres)