def METHOD_NAME():
    import sys
    caps = getcaps()
    if not sys.argv[1:]:
        show(caps)
        return
    for i in range(1, len(sys.argv), 2):
        args = sys.argv[i:i+2]
        if len(args) < 2:
            print "usage: mailcap [MIMEtype file] ..."
            return
        MIMEtype = args[0]
        file = args[1]
        command, e = findmatch(caps, MIMEtype, 'view', file)
        if not command:
            print "No viewer found for", type
        else:
            print "Executing:", command
            sts = os.system(command)
            if sts:
                print "Exit status:", sts