Re: [Genparse-users] More changes on the usage() function

[Mike B. <mi...@bo...>]

Michael,

I like passing the status to the usage() function.  However I was a 
little confused with the -i option especially since the example already 
uses the -i option.  Would that have to change?

Thanks,
Mike

Michael Geng wrote:
> Hi Mike,
> 
> this is the usage() function of the mycopy3 example as it is now:
> 
> void usage(char *executable)
> {
>   printf("\
> usage: %s [ -iohv ] file\n\
>    [ -i ] [ --iterations ] (type=INTEGER, range=0..., default=1)\n\
>           Number of times to output <file>.\n\
>           File should be text format!\n\
>    [ -o ] [ --outfile ] (type=STRING)\n\
>           Output file.\n\
>    [ -h ] [ --help ] (type=FLAG)\n\
>           Display help information.\n\
>    [ -v ] [ --version ] (type=FLAG)\n\
>           Output version.\n", executable);
> 
>   exit(1);
> }
> 
> I propose to change it like this:
> 
> void usage(int status, char *executable)
> {
>   if (status != EXIT_SUCCESS)
>     fprintf(stderr, "Try `%s --help' for more information.\n",
>             executable);
>   else
>     {
>       printf("\
> usage: %s [ -iohv ] file\n\
>    [ -i ] [ --iterations ] (type=INTEGER, range=0..., default=1)\n\
>           Number of times to output <file>.\n\
>           File should be text format!\n\
>    [ -o ] [ --outfile ] (type=STRING)\n\
>           Output file.\n\
>    [ -h ] [ --help ] (type=FLAG)\n\
>           Display help information.\n\
>    [ -v ] [ --version ] (type=FLAG)\n\
>           Output version.\n", executable);
>     }
>   exit(status);
> }
> 
> Another proposal is to add a new command line switch 
> -i / --internationalization and put the internationalization 
> macro _() around strings in the usage() function. Invoking
> Genparse with -i set would result in the following usage()
> function:
> 
> void usage(int status, char *executable)
> {
>   if (status != EXIT_SUCCESS)
>     fprintf(stderr, _("Try `%s --help' for more information.\n"),
>             executable);
>   else
>     {
>       printf(_("\
> usage: %s [ -iohv ] file\n\
>    [ -i ] [ --iterations ] (type=INTEGER, range=0..., default=1)\n\
>           Number of times to output <file>.\n\
>           File should be text format!\n\
>    [ -o ] [ --outfile ] (type=STRING)\n\
>           Output file.\n\
>    [ -h ] [ --help ] (type=FLAG)\n\
>           Display help information.\n\
>    [ -v ] [ --version ] (type=FLAG)\n\
>           Output version.\n"), executable);
>     }
>   exit(status);
> }
> 
> Michael
> 


-- 
Mike Borella
mike at borella dot net
http://www.borella.net/mike