diff options
| author |  Joey Hess <joey@kitenet.net> | 2010-12-30 15:15:22 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2010-12-30 15:15:22 -0400 |
| commit | 1c451fe3628f535898e7cf87ccad30270c6d16fb (patch) | |
| tree | cacdaf58092b9dd0d8c8c47ba96c20484dc99dab /CmdLine.hs | |
| parent | c274aadabcd1737e03003834dcf1f6bd9a79b0aa (diff) | |
tweak
Diffstat (limited to 'CmdLine.hs')
| -rw-r--r-- | CmdLine.hs | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/CmdLine.hs b/CmdLine.hs index 3767fc240..a2645f75f 100644 --- a/CmdLine.hs +++ b/CmdLine.hs @@ -57,12 +57,10 @@ usage header cmds options = cmddescs = unlines $ map (indent . showcmd) cmds showcmd c = cmdname c ++ - pad (commandlen + 1) (cmdname c) ++ + pad (longest cmdname + 1) (cmdname c) ++ cmdparams c ++ - pad (commandparamlen + 2) (cmdparams c) ++ + pad (longest cmdparams + 2) (cmdparams c) ++ cmddesc c indent l = " " ++ l pad n s = replicate (n - length s) ' ' - longest l = foldl max 0 $ map length l - commandlen = longest $ map cmdname cmds - commandparamlen = longest $ map cmdparams cmds + longest f = foldl max 0 $ map (length . f) cmds |