When you c:\>ppm you run a batch file wrapper for PPM.pm. From the PPM.pm docs:

#!/usr/bin/perl

use PPM;

PPM::InstallPackage(``package'' => $package, ``location'' => $location
+, ``root'' => $root);
[download]

Installs the specified package onto the local system. 'package' may be a simple package name ('foo'), a pathname (P:\PACKAGES\FOO.PPD) or a URL (HTTP://www.ActiveState.com/packages/foo.ppd). In the case of a simple package name, the function will look for the package's PPD file at 'location', if provided; otherwise, it will use information stored in the PPM data file (see 'Files' section below) to locate the PPD file for the requested package. The package's files will be installed under the directory specified in 'root'; if not specified the default value of 'root' will be used.

cheers

tachyon

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