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Plan 9でWebプログラミング

Plan 9 is an operating system created at Bell Labs as a successor to UNIX. It uses a new file system called 9P for inter-process communication and was developed by Dennis Ritchie, Rob Pike, and others. This document discusses Plan 9, its history and technologies including 9P, processes, and UTF-8 support. It also covers related projects including the Pegasus web server, the Rit scripting language, and provides references for further information.

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Plan 9 Web oraccha Plan9 http://d.hatena.ne.jp/oraccha/ 2009 12 10 Mitaka.rb
Plan 9 • UNIX OS • Google Go Phil Winterbottom Dave Presotto Dennis Ritchie Rob Pike 1995
Plan 9 • UNIX OS • Google Go Phil Winterbottom Plan 10 Plan 9 Plan 11? Google OS Dave Presotto Dennis Ritchie Rob Pike http://undergoogle.com/tools/GoogleMasterPlanEN.html 1995
Go • Robert Griesemer Ken Thompson Rob Pike Russ Cox • • CSP→NewSqueak→Alef→Limbo
Gopher Glen and Glenda Illustrated by Renée French
Plan 9 • • 9P •
UNIX • 9P • proc • • rfork clone • • UTF-8
Pegasus Web • Plan 9 Web • CGI • • cf. chroot jail
Rit • PHP JSP eRuby ebash • Rc My name is $user. ${ if (~ $REQUEST_METHOD POST) { ifs=’&’ for (kv in `{cat}) { ifs=’=’ kv=`{echo -n $kv} Date: ${date} ‘QS_’^$kv(1)=$kv(2) } }$
#!/bin/rit -s ${ . ./cgilib.rc for urldecode # logfile=test.log if (~ $REQUEST_METHOD POST) { ifs='&' for (kv in `{cat}) { ifs='=' kv=`{echo -n $kv} 'QS_'^$kv(1)=$kv(2) } echo `{date}: $QS_input | urldecode >> $logfile echo >> $logfile } }$ <html><body> <form method="POST" action="/index.cgi"> <input type="text" size="60" name="input" value=""> <input type="submit" value="post"> ${ tail -10 -r $logfile | awk '{ print $0 "</br>" }' }$ <hr><a href="http://plan9.bell-labs.com/plan9/"><img src="image/ power36.gif"></a></body></html>
Reference • Plan 9: http://plan9.bell-labs.com/plan9/ • Pegasus: http://plan9.aichi-u.ac.jp/pegasus/ • Rit: http://plan9.aichi-u.ac.jp/rit/ • Plan 9 : http://d.hatena.ne.jp/oraccha/