1995-10-13 23:34:21 -04:00
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This is a release of scsh, release 0.4.0.
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Scsh is a Unix shell that is embedded within R4RS Scheme.
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It provides high-level shell notation and full access to
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the Unix system calls. The current implementation is built
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on top of Scheme 48, version 0.36.
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We currently have scsh running on:
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AIX,
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CXUX,
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HP-UX,
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IRIX,
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Linux,
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NetBSD,
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NeXTSTEP,
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Solaris,
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SunOS,
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Ultrix
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It's not hard to port scsh to new systems.
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You can get a copy of scsh via anonymous ftp, from the following:
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ftp://clark.lcs.mit.edu/pub/su/scsh/scsh.tar.gz
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ftp://swiss-ftp.ai.mit.edu/pub/su/scsh/scsh.tar.gz
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These tar files include a detailed manual and a paper describing
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the design of the system.
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For the lazily curious, we also have the manual separately available as
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ftp://clark.lcs.mit.edu/pub/su/scsh/scsh-manual.ps
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ftp://swiss-ftp.ai.mit.edu/pub/su/scsh/scsh-manual.ps
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Just click 'n view.
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The current release is primarily useful for writing shell scripts
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and doing general systems programming.
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Real interactive use needs a parser for an sh-like syntax, job control,
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and the gnu readline library. If you're interested in hacking
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on these things, drop us a line at scheme-underground@ai.mit.edu.
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We've got designs for most of this stuff; we're just short on time
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and bodies.
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New in this release:
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- The scsh network package, a complete interface for Berkeley-style sockets.
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We are going to keep the code for our higher-level protocols (ftp, telnet,
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http, and so forth) close to home for one more release.
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- The awk loop and field parser package.
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These two packages are documented in the reference manual.
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Lots of plans for the next release: libraries with network protocol code,
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the html parser and the server kit, module switches on the command line,
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threads -- we'll do our best.
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We thank Brent Benson, Travis V. Broughton, Brian Dennis, Noah Friedman Mike
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Gunter, Shriram Krishnamurthi, John P. Lewis, Tom Lord, Scott Schwartz, and
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Bill Sommerfeld, Michael Sperber, Axel Wienberg, for bug reports, bug fixes,
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and comments that were incorporated into this release.
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Brought to you by the Scheme Underground scsh team.
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1995-10-31 04:18:15 -05:00
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-Olin Shivers & Brian Carlstrom
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Cambridge & Sunnyvale
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31 October, 1995
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