Pattern matching

[marcus3santos]

The compressed tar ball containing the pattern matching software required by SoftScheme is not available at the ftp site mentioned in the documentation:

"This software requires pattern matching extensions to Scheme available by anonymous FTP from titan.cs.rice.edu in public/wright/match.tar.Z."

Any idea how I can get my hands on it?

[bennn]

Try: https://cs.indiana.edu/ftp/scheme-repository/code/match/

It might also be inside the softscheme.tar.gz here: https://cs.indiana.edu/ftp/scheme-repository/imp/

(Thanks to @soegaard on the Racket slack channel)

If those don't work, here are some other links:

• documentation by Wright & Duba (match.pdf, from this url)
• Racket's mzlib/match may provide the same behavior (docs), doesn't seem to use the old Scheme package (mzlib/match.rkt, racket/match/legacy-match)
• a simple Clojure port (url)

[marcus3santos]

You are awesome! Thank you so much, Ben.

MS

Marcus Santos, Associate Dean Undergraduate Programs & Student Affairs Faculty of Science Ryerson University www.cs.ryerson.ca/m3santos

On Tue, Oct 29, 2019 at 9:13 AM Ben Greenman notifications@github.com wrote:

Try: https://cs.indiana.edu/ftp/scheme-repository/code/match/

It might also be inside the softscheme.tar.gz here: https://cs.indiana.edu/ftp/scheme-repository/imp/

(Thanks to @soegaard https://github.com/soegaard on the Racket slack channel)

If those don't work, here are some other links:

• documentation by Wright & Duba (match.pdf https://github.com/nuprl/softscheme/files/3783615/match.pdf, from this url https://3e8.org/pub/scheme/doc/match.pdf)
• Racket's mzlib/match may provide the same behavior (docs https://docs.racket-lang.org/mzlib/mzlib_match.html), doesn't seem to use the old Scheme package (mzlib/match.rkt https://github.com/racket/compatibility/blob/master/compatibility-lib/mzlib/match.rkt, racket/match/legacy-match https://github.com/racket/racket/blob/master/racket/collects/racket/match/legacy-match.rkt )
• a simple Clojure port (url https://github.com/hayamiz/clj-match/blob/master/src/clj_match.clj)

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[bennn]

@soegaard also found an expanded version of the code:

You can download version 103 from http://download.plt-scheme.org Look in plt/collects/mzlib/matchr.ss