Making Environment Changes Stick in Ruby Scripting

Posted by yar on Stack Overflow See other posts from Stack Overflow or by yar
Published on 2010-04-04T04:02:14Z Indexed on 2010/04/04 4:13 UTC
Read the original article Hit count: 433

Filed under:

ruby

|

scripting

Here is my script

#!/usr/bin/env ruby
if __FILE__ == $0
   `cd ..`
end

which runs fine, but when it exits, I'm back where I started. How can I "export" the changes I've made to the environment?

© Stack Overflow or respective owner

Related posts about ruby

Setting up Rails to work with sqlserver

as seen on Stack Overflow - Search for 'Stack Overflow'
Ok I followed the steps for setting up ruby and rails on my Vista machine and I am having a problem connecting to the database. Contents of database.yml development: adapter: sqlserver database: APPS_SETUP Host: WindowsVT06\SQLEXPRESS Username: se Password: paswd Run rake db:migrate… >>> More
marshal data too short!!!

as seen on Stack Overflow - Search for 'Stack Overflow'
My application requires to keep large data objects in session. There are like 3-4 data objects each created by parsing a csv containing 150 X 20 cells having strings of 3-4 characters. My application shows this error- "marshal data too short". I tried this- Deleting the old session table. Deleting… >>> More
Sinatra and XML POST request

as seen on Stack Overflow - Search for 'Stack Overflow'
I don't know is it my mistake or no. So i have that code: <code> post '/singin/get_token' do content_type :xml puts request.body.read puts xmlRequest xmlRequest = REXML::Document.new(request.body.read) ... </code> And when i post something like that: <code> <?xml… >>> More
how to change ruby path from /usr/bin/ruby to /usr/local/bin/ruby

as seen on Stack Overflow - Search for 'Stack Overflow'
reading around the various ruby install tutorials it's required to change path from /usr/bin/ruby to /usr/local/bin/ruby but i cant seem to be able to do it. Ultimately i want to install Ruby 1.9.2, should i uninstall 1.8.7 or what? i tried to install Ruby 1.9.2 with macports, the installation seemed… >>> More
strange bundler error: tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error) o

as seen on Stack Overflow - Search for 'Stack Overflow'
i am getting a strange bundler error when running bundle pack with bundler 0.9.12 any ideas? (see pastie for a better formatted code: http://pastie.org/881328 ) /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error) … >>> More

Related posts about scripting

Advantages to Server Scripting languages over Client Side Scripting languages

as seen on DotNetBlocks - Search for 'DotNetBlocks'
There are numerous advantages to server scripting languages over client side scripting languages in regards to creating web sites that are more compelling compared to a standard static site. Server side scripts are executed on a web server during the compilation of data to return to a client… >>> More
Scripting the Vim editor, Part 5: Event-driven scripting and automation

as seen on Internet.com - Search for 'Internet.com'
<b>IBM Developerworks:</b> "Why repeat yourself? You can configure Vim’s comprehensive event model to execute time-saving scripts whenever particular editing events—such as loading a file or switching between editor modes—occur." >>> More
What does (Lua) game scripting mean?

as seen on Programmers - Search for 'Programmers'
I've read that Lua is often used for embedded scripting and in particular game for scripting. I find it hard to picture how it is used exactly. Can you describe why and for which features and for which audience it is used? This questions isn't specifically addressing Lua, but rather any embedded… >>> More
How to find from GUI whether Client Side scripting or server side scripting is running

as seen on Stack Overflow - Search for 'Stack Overflow'
We have a GUI which runs on ASP.NET 2.0 framework (Client-Server model). From the support perspective how can one find whether the pages which are opening on GUI at any point of time is a server side scripting or Client side scripting. The reason why I ask this is because I understand that some of… >>> More
UNIX Shell-scripting: UDV

as seen on Stack Overflow - Search for 'Stack Overflow'
I am writing a simple unix shell script: #!/bin/bash # abort the script if a command fails set -e # abort the script if an unitialized shell variable is used set -u i = 0; while [$i -l 1] do src/meshpro input/martini.off video/noise/image$i… >>> More