This is a simple file of snippets to show useful ruby tidbits:
This prints all but the last line of an input stream. It was used by someone who's antiquated printing software added a ^L to the very end of the file.
$stdin.each { |line|
puts line unless $stdin.eof
}
This will upgrade you to version 1.8.2 (the current latest, please check and make sure this is still current if you use this). It requires that you have the free apple developer tools installed. Chances are, you already do if you are interested in using ruby.
cd /usr/bin sudo mv ruby ruby16 sudo mv irb irb16 cd ~/Desktop curl ftp.ruby-lang.org /pub /ruby /ruby-1.8.2.tar.gz > ruby-1.8.2.tar.gz tar zxf !$ cd ruby-1.8.2 ./configure make && sudo make install install-doc