8 search
:: [String] -> IO ()
9 search argv
= putStrLn $ usageSearch
12 usageSearch
= "usage: " ++ progName
++ " search <filters>\n\
14 \ " ++ progName
++ " search [id]\n\
18 \ -a <author1 [author2] ...>\n\
19 \ -k <keyword1 [keyword2] ...>\n\
23 \ -d <date-from> <date-to>\n\
24 \ -p <page-from> <page-to>\n\