Remove redundancies in a sorted, multi-string valued global variable.
guniq(varname)
varname - type: str
Old-style, slated for replacement.
@CODE
G("strs") = "abc";
G("strs")[1] = "def";
gtolower("strs");
"output.txt" << G("strs") << "\n";
guniq("strs");
"output.txt" << G("strs") << "\n";