On Thu, Oct 29, 2009 at 3:45 AM, Robin Green <[email protected]> wrote: > This is not in any way specific to Haskell, but I know a number of > packages on Hackage have executables with command-line options, so: > > The non-Haskell program get_iplayer has an excellent idea for > command-line options parsing. Rather than having to remember two > separate syntaxes, one for command line options and one for a > preferences file, the user can simply type > > get_iplayer --prefs-add --OPTION[=VALUE] > > which will add the equivalent of --OPTION[=VALUE] to the get_iplayer > preferences file (and do nothing else). So it's like a special > "preferences file manipulation mode" of the program. > > There are also the following options, as described by --help: > > --prefs-clear Remove *ALL* saved user or preset options > --prefs-del Remove specified saved user or preset > options > --prefs-show Show saved user or preset options > > (This also means that the user doesn't have to remember the filename > of the preferences file.) > > I think this sort of thing would be a good idea for *any* program > that has command-line options that some user might want to hold > constant across several runs. > > -- > Robin
Good idea, thanks for mentioning it. Geremy Condra _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
