PLT Unix Installation

The file you have downloaded is called drjr.ARCH.tar.gz, where ARCH is replaced by the name of your architecture (eg, i386-linux for Linux or sparc-solaris for Solaris on a Sparc architecture).

Unpacking

  1. Uncompress the distribution using the GNU gunzip utility: 
        gunzip drjr.ARCH.tar.gz

    The gzip utility can simulate gunzip with the -d file. If you don't have gzip, you can obtain it from the GNU archive. Once you have uncompressed the distribution, you should have a file called drjr.ARCH.tar.

  2. Extract the contents of the distribution using the tar command: 
        tar -xvlf drjr.ARCH.tar
    This will create a directory called plt/ in the current directory.

  3. Determine where you want the distribution to eventually reside. We recommend the directory /usr/local/lib/plt/. If you cannot or do not wish to use that location, you may pick any other (including, say, one of your own directories). Move the plt/ directory into its final destination, e.g., 
        mv ./plt /usr/local/lib/

  4. Delete the distribution file (drjr.ARCH.tar) using rm.

If you're low on disk space, you can do all this in a single step. For instance, the default configuration can be obtained thus: 

    cd DESTINATION
    gzcat LOCATION/drjr.ARCH.tar.gz | tar -xvlf -
    rm LOCATION/drjr.ARCH.tar.gz
where LOCATION denotes the location of the compressed file and DESTINATION is the destination directory. If gzcat is not defined for your system it can be performed by gzip using the -cd flag.

Installation

Run ./install while the current directory is plt/. This will modify the scripts in plt/bin/ (based on the full pathname of the current directory) and will create .zo files (for faster startups). All files are created within the plt/ directory hierarchy.

Modifying Your Path Variable

The DrScheme Jr executables are in plt/bin/. Thus, you might wish to include /usr/local/lib/plt/bin/ or ${PLTHOME}/bin/ in your PATH (as appropriate).

If you have root priviledges, you could instead create links from some standard directory to the executables. For example, if you put the distribution in /usr/local/lib/plt, you could add these links: 

    cd /usr/local/bin
    ln -s /usr/local/lib/plt/bin/drscheme-jr .
    ln -s /usr/local/lib/plt/bin/mzscheme .
    ln -s /usr/local/lib/plt/bin/mzc .

PLT / scheme@cs.rice.edu