Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

If you run a ruby program though Bash and the ruby program read multiple inputs from the console, all inputs will be the same as the first …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

A few days ago, I started writing my first Ruby program which read my Verizon family plan statements, calculate bills for each member and send emails to …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

Array

1. The method push inserts an element to the back of the arry; the method insert inserts an element to any place of the array.

2. The method …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

"pdf-reader" is a good Ruby libary for reading pdf document. You can install it via RubyGems using the following command.

sudo gem install pdf-reader

You have to …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

By default the current working directoly is not in the search path of Ruby. To load a user-written script named "script.rb" into Ruby, you can use …