argv[1] = <^J^J^J>
argv[1] = <++^J++>
argv[1] = <>
argv[1] = <^J^I >
argv[1] = <abc>
argv[1] = <^M^[^Gabc>
argv[1] = <hello,>
argv[2] = <world>
argv[1] = <hello, world>
argv[1] = <>
argv[1] = <$hello, world>
argv[1] = <hello, $world>
argv[1] = <hello, "world">
argv[1] = <hello, $"world">
argv[1] = <hello, $"world">
argv[1] = <$hello, chet>
argv[1] = <hello, chet>
ok
'abcd'
'abcd'
\'abcd\'
\'abcd\'