> Hey everyone...trying to get a handle on Ruby syntax but having a bit
> of
> an issue.
>
> I am trying to create a form and then call a linux system call that
> will
> create a directory using the value of the variable within the
> fieldset.
> Here is a short example:
>
> <fieldset>
> <ol>
> <li>
> <%= f.label :name %>
> <%= f.text_field :name, :class => 'text' %>
> </li>
> <li>
> <%= f.label :credit_balance %>
> <%= f.text_field :credit_balance, :class => 'text' %>
> </li>
> </ol>
> </fieldset>
> <fieldset class="submit">
> <%= f.submit 'Submit', :class => 'submit' %>
> </fieldset>
> <% system("mkdir /var/www/html/WHAT DO I PUT HERE") %>
Don't use system. Look into the FileUtils.mkdir method. Less chance
for someone typing in "fake; rm -rf /" for the 'name' field...
> Basically, I just need to know the syntax of the system line so that
> the
> directory that will be created will be the value of the :name variable
> within the fieldset but cannot figure out the syntax. In other words,
> if, on the form someone puts in WHATEVER for the :name field and 10
> for
> the :credit_balance, I want to create a directory called
> /var/www/html/WHATEVER
This form will get submitted to a controller's action method. In that
method you'd do something like this:
name = params[:name]
# triple check that name is valid for a directory name, etc.
FileUtils.mkdir("/var/www/html/#{name}")
> Easy for me in PHP, but I have not been able to find a way to do it in
> Ruby. I am sure that it is easy for one of you.
>
> If someone would be nice enough to get me started in the right
> direction, I would really appreciate it.
>
> Thank so much!
>
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