Re: ~/.tn5250rc, command-line parsing...

Hi Jason,

Sure, do all the cool stuff while I bang my head against the wall chasing
cursor bugs. ;-)

Seriously, this looks pretty cool.  Pretty soon, people will be switching
to Linux just so they can dump CA/Rumba and use tn5250. ;-) 

Mike

> Hello everyone.
> 
> I've been sitting on this half-finished patch for quite some time, so I've
> finally bit the bullet, finished it, tested it, and posted it.  It's a big
> change but the code is pretty clean, so there shouldn't be too many bugs.
> 
> The version in CVS now parses some rc files during startup, in this order:
> 1) $(sysconfdir)/tn5250rc (usually /usr/local/etc/tn5250rc)
> 2) ~/.tn5250rc
> 
> Then procedes to parse the command-line arguments.  The configuration files
> have the following format:
> 
> # This is a comment
> name = value
> 
> # The below is shorthand for 'name = on'
> +name
> 
> # The below is shorthand for 'name = off'
> -name
> 
> # This sets group.name to `on'
> group.name = on
> # So does this
> group {
>       name = on
> }
> # and this
> +group.name
> 
> The command-line options have been melded into this as well, so you can do
> this:
> 
> tn5250 +underscores map=37 localhost:1975
> 
> Additionally, this uses all options set within a group:
> 
> tn5250 group
> 
> This is good for setting up different AS/400 sessions, for example, like this:
> 
> AS4001 {
>   host = as.400.1.com
>   map = 37
>   env.TERM = IBM-3812-1
> }
> AS4002 {
>   host = as.400.2.com
>   map = 284
>   +underscores
> }
> 
> Then:
> tn5250 AS4002
> 
> You can even do:
> 
> tn5250 -underscores AS4002
> 
> Here are the currently supported options:
> 
> +/-underscores       (old -u option)
> trace=FILE         (old -t option)
> host=HOST            (old host parameter.  From the command-line
>                       'host=' is optional)
> session=NAME         (old -s option)
> env.TERM=TERM        (old -y option)
> +version             (old -V option)
> +help                (old -h option)
> 
> everything in env.* gets sent to the AS400 as an environment string, so now
> you can specify arbitrary telnet exit strings.
> 
> I realize this is a big change, I will back it out of CVS if necessary but I
> think it's much more flexible and forward-looking a scheme.  We now have a
> vehicle for implementing keyboard mapping (e.g. key.enter = field exit) and
> lots of odds and ends options (window-title = My AS/400 Session) which 
>wouldn't
> have fit well into the old scheme.  This should also interface very simply
> with scripting languages such as Perl and Guile when we add support for them.
> 
> Please bang on it and make sure that it's stable (I've tested nearly every
> combination I can think of, but then again...)
> 
> -Jay 'Eraserhead' Felice
> 
> P.S. This breaks xt5250.  I will fix to-morrow.
> P.S.S.  It's case sensitive.  I just realized that's probably a bad idea.
> 
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