improve command-line help
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							| @ -5,8 +5,16 @@ import System.Console.GetOpt | |||||||
| import System.Directory | import System.Directory | ||||||
| import Ledger.RawLedger (negativepatternchar) | import Ledger.RawLedger (negativepatternchar) | ||||||
| 
 | 
 | ||||||
| usagehdr    = "Usage: hledger [OPTIONS] "++commands++" [ACCTPATTERNS] [-- DESCPATTERNS]\nOptions:" | usagehdr    = "Usage: hledger [OPTS] balance|print|register [ACCTPATS] [-- DESCPATS]\n\nOptions"++warning++":" | ||||||
| commands    = "register|balance|print" | warning     = if negativepatternchar=='-' then " (must appear before command)" else " (can appear anywhere)" | ||||||
|  | usageftr    = "\n\ | ||||||
|  |               \Commands (may be abbreviated):\n\ | ||||||
|  |               \balance  - show account balances\n\ | ||||||
|  |               \print    - show parsed and reformatted ledger entries\n\ | ||||||
|  |               \register - show register transactions\n\ | ||||||
|  |               \\n\ | ||||||
|  |               \Account and description patterns are regular expressions, optionally prefixed\n\ | ||||||
|  |               \with " ++ [negativepatternchar] ++ " to make them negative.\n" | ||||||
| defaultfile = "~/.ledger" | defaultfile = "~/.ledger" | ||||||
| fileenvvar  = "LEDGER" | fileenvvar  = "LEDGER" | ||||||
| optionorder = if negativepatternchar=='-' then RequireOrder else Permute | optionorder = if negativepatternchar=='-' then RequireOrder else Permute | ||||||
| @ -15,9 +23,9 @@ optionorder = if negativepatternchar=='-' then RequireOrder else Permute | |||||||
| options :: [OptDescr Opt] | options :: [OptDescr Opt] | ||||||
| options = [ | options = [ | ||||||
|  Option ['f'] ["file"]         (ReqArg File "FILE")        "ledger file; - means use standard input", |  Option ['f'] ["file"]         (ReqArg File "FILE")        "ledger file; - means use standard input", | ||||||
|  Option ['b'] ["begin"]        (ReqArg Begin "yyyy/mm/dd") "report on entries from this date (inclusive)", |  Option ['b'] ["begin"]        (ReqArg Begin "YYYY/MM/DD") "report on entries on or after this date", | ||||||
|  Option ['e'] ["end"]          (ReqArg End "yyyy/mm/dd")   "report on entries to this date (exclusive)", |  Option ['e'] ["end"]          (ReqArg End "YYYY/MM/DD")   "report on entries prior to this date", | ||||||
|  Option ['s'] ["showsubs"]     (NoArg  ShowSubs)           "balance report: show subaccounts", |  Option ['s'] ["showsubs"]     (NoArg  ShowSubs)           "in the balance report, include subaccounts", | ||||||
|  Option ['h'] ["help","usage"] (NoArg  Help)               "show this help", |  Option ['h'] ["help","usage"] (NoArg  Help)               "show this help", | ||||||
|  Option ['V'] ["version"]      (NoArg  Version)            "show version" |  Option ['V'] ["version"]      (NoArg  Version)            "show version" | ||||||
|  ] |  ] | ||||||
| @ -32,7 +40,7 @@ data Opt = | |||||||
|     Version |     Version | ||||||
|     deriving (Show,Eq) |     deriving (Show,Eq) | ||||||
| 
 | 
 | ||||||
| usage = usageInfo usagehdr options | usage = usageInfo usagehdr options ++ usageftr | ||||||
| 
 | 
 | ||||||
| version = "hledger version 0.1 alpha\n" | version = "hledger version 0.1 alpha\n" | ||||||
| 
 | 
 | ||||||
|  | |||||||
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