copy or xinstall? directory -exclude subdirectory

[Ryan Schmidt]

On Dec 29, 2011, at 20:48, Mark Brethen wrote:

> On Dec 23, 2011, at 1:48 AM, Joshua Root wrote:
> 
>> On 2011-12-23 14:20 , Mark Brethen wrote:
>>> Can either the copy or xinstall extension copy the contents of a directory, excluding certain files or subdirectories?
>> 
>> No, you'd need to use something like fs-traverse to do that in Tcl. This
>> is one case where shelling out to run e.g. rsync could result in more
>> concise code and possibly even be faster.
>> 
>> - Josh
> 
> Something like:
> 
> spawn rsync --no-perms --exclude "/regressions/***" ${worksrcpath}/packages/ ${sharedir}/packages/

Something like. In MacPorts we typically use "system" (if you just want to run a command) or "exec" (if you need to capture its output). Don't think we've used "spawn" anywhere before and not sure what the difference there would be so I'd recommend avoiding it.