#!/usr/bin/python3
import sys, re
if len(sys.argv) <= 1:
    print("whatis what?")
    sys.exit(1)
else:
    argfoldv = []
    for arg in sys.argv[1:]:
        argfoldv.append(arg.casefold())
    with open("/hackenv/share/whatis", errors="surrogateescape") as whatisdb:
        for line in whatisdb:
            parts = re.match(r"([^()]+)\(([0-9A-Z_a-z]+)\)", line)
            if parts:
                match = False
                for argfold in argfoldv:
                    match = match or argfold == parts.group(1).casefold()
                if match:
                    sys.stdout.write(line)