Re: Checking whether a package is installed

[Jonathan Perkin <jperkin%joyent.com@localhost>]

* On 2015-08-03 at 15:47 BST, Andreas Gustafsson wrote:

> Suppose my current directory is the pkgsrc directory of some package
> (pkgsrc/category/package).  Is there a shell command I can run that
> will return an exit status indicating whether or not the package in
> case is already installed (regardless of version), without building 
> or reinstalling it?

Sure:

  $ pkg_info -qE $(bmake show-var VARNAME=PKGBASE)

Exit status of 0 if installed, regardless of version, 1 otherwise, or
change to PKGNAME if you want to match version too.

-- 
Jonathan Perkin  -  Joyent, Inc.  -  www.joyent.com