You can use FileUtils to do this.

    #!/usr/bin/env ruby
    
    require &#39;fileutils&#39;
    
    FileUtils.mv(&#39;/tmp/your_file&#39;, &#39;/opt/new/location/your_file&#39;)

Remember; if you are moving across partitions, &quot;mv&quot; will copy the file to new destination and unlink the source path.

An old question, i&#39;m surprised no one answered this simple solution. You don&#39;t need fileutils or a systemcall, just rename the file to the new location.

    File.rename source_path, target_path

Happy coding

[FileUtils.move][1]

    require &#39;fileutils&#39;
    FileUtils.move &#39;stuff.rb&#39;, &#39;/notexist/lib/ruby&#39;



  [1]: http://www.ruby-doc.org/stdlib-1.9.3/libdoc/fileutils/rdoc/FileUtils.html#method-c-mv

Use the module &#39;fileutils&#39; and use FileUtils.mv:

[http://www.ruby-doc.org/stdlib-2.0/libdoc/fileutils/rdoc/FileUtils.html#method-c-mv][1]


  [1]: http://www.ruby-doc.org/stdlib-2.0/libdoc/fileutils/rdoc/FileUtils.html#method-c-mv

here is a template .  



     src_dir = &quot;/full_path/to_some/ex_file.txt&quot;
    
     dst_dir = &quot;/full_path/target_dir&quot;
    
     #Use the method below to do the moving
     move_src_to_target_dir(src_dir, dst_dir)
    
    
    
     def archive_src_to_dst_dir(src_dir, dst_dir)
    
         if File.exist ? (src_dir)
       
         puts &quot;about to move this file:  #{src_dir}&quot;
    
         FileUtils.mv(src_dir, dst_dir)
     else
    
         puts &quot;can not find source file to move&quot;
    
     end
     end


you can move your file like this

Rails.root.join(&#39;foo&#39;,&#39;bar&#39;)

The question&#39;s pretty self-explanatory really. I know vaguely about vectors in maths, but I don&#39;t really see the link to C++ vectors. 

Why is a C++ Vector called a Vector?

Why does everyone tell me writing code like this is a bad practice?

    if (foo)
        Bar();

    //or

    for(int i = 0 i &lt; count; i++)
        Bar(i);

My biggest argument for omitting the curly braces is that it can sometimes be twice as many lines with them. For example, here is some code to paint a glow effect for a label in C#.

    using (Brush br = new SolidBrush(Color.FromArgb(15, GlowColor)))
    {
        for (int x = 0; x &lt;= GlowAmount; x++)
        {
            for (int y = 0; y &lt;= GlowAmount; y++)
            {
                g.DrawString(Text, this.Font, br, new Point(IconOffset + x, y));
            }
         }
     }
     //versus
    using (Brush br = new SolidBrush(Color.FromArgb(15, GlowColor)))
        for (int x = 0; x &lt;= GlowAmount; x++)
            for (int y = 0; y &lt;= GlowAmount; y++)
                g.DrawString(Text, this.Font, br, new Point(IconOffset + x, y));

You can also get the added benefit of chaining `usings` together without having to indent a million times.

    using (Graphics g = Graphics.FromImage(bmp))
    {
        using (Brush brush = new SolidBrush(backgroundColor))
        {
            using (Pen pen = new Pen(Color.FromArgb(penColor)))
            {
                //do lots of work
            }
        }
     }
    //versus
    using (Graphics g = Graphics.FromImage(bmp))
    using (Brush brush = new SolidBrush(backgroundColor))
    using (Pen pen = new Pen(Color.FromArgb(penColor)))
    {
        //do lots of work
    }


----------


The most common argument for curly braces revolves around maintance programming, and the problems that would ensue by inserting code between the original if statement and its intended result:

    if (foo)
        Bar();
        Biz();


----------
&lt;h3&gt;Questions:&lt;/h3&gt;

 1. Is it wrong to want to use the more compact syntax which the language offers? The people that design these languages are smart, I can&#39;t imagine they would put a feature which is always bad to use.
 2. Should we or Shouldn&#39;t we write code so the lowest common denominator can understand and have no problems working with it? 
 3.  Is there another argument that I&#39;m missing?

Why is it considered a bad practice to omit curly braces?

I want to move a file with Ruby. How do I do that?

How do I move a file with Ruby?

New to both Ruby and Rails but I&#39;m book educated by now (which apparently means nothing, haha).

I&#39;ve got two models, Event and User joined through a table EventUser

    class User &lt; ActiveRecord::Base
      has_many :event_users
      has_many :events, :through =&gt; :event_users
    end

    class EventUser &lt; ActiveRecord::Base
      belongs_to :event
      belongs_to :user

      #For clarity&#39;s sake, EventUser also has a boolean column &quot;active&quot;, among others
    end

    class Event &lt; ActiveRecord::Base
      has_many :event_users
      has_many :users, :through =&gt; :event_users
    end

This project is a calendar, in which I have to keep track of people signing up and scratching their name out for a given event. I figure the many to many is a good approach, but I can&#39;t do something like this:

    u = User.find :first
    active_events = u.events.find_by_active(true)

Because events don&#39;t actually HAVE that extra data, the EventUser model does.  And while I could do:

    u = User.find :first
    active_events = []
    u.event_users.find_by_active(true).do |eu|
      active_events &lt;&lt; eu.event
    end

This seems to be contrary to &quot;the rails way&quot;.  Can anyone enlighten me, this has been bugging me for a long time tonight (this morning)?

Rails has_many :through Find by Extra Attributes in Join Model

How do I find an item in array which has the most occurrences?

    [1, 1, 1, 2, 3].mode
    =&gt; 1

    [&#39;cat&#39;, &#39;dog&#39;, &#39;snake&#39;, &#39;dog&#39;].mode
    =&gt; dog

How to find an item in array which has the most occurrences

I&#39;m getting this error when I&#39;m trying to connect to a mysql database. The problem is that the application works for weeks, and then randomly I get this message. When I get this error message the application is not able to reconnect to the database until I restart it.

I&#39;m using a configuration file to connect to the database, and the adapter is specified...the database configuration is not generated at runtime.

Do you have any idea on what is going on?

database configuration does not specify adapter

With `:limit` in query, I will get first N records. What is the easiest way to get last N records?

How to get last N records with activerecord?

I&#39;m try to install the SQLite gem on a Fedora 9 Linux box with Ruby 1.8.6, Rails 2.2.2, gem 1.3, and sqlite-3.5.9. Here&#39;s the command I&#39;m running and its results:

    sudo gem install sqlite3-ruby
    Building native extensions.  This could take a while...
    ERROR:  Error installing sqlite3-ruby:
        ERROR: Failed to build gem native extension.

    /usr/bin/ruby extconf.rb install sqlite3-ruby
    can&#39;t find header files for ruby.

    Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.4 for inspection.
    Results logged to /usr/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.4/ext/sqlite3_api/gem_make.out

`gem_make.out` just repeats what was already sent to the console. How can I install this gem?


Why can&#39;t I install the SQLite gem?

I am writing a nightly build script in bash.   
Everything is fine and dandy except for one little snag:
&lt;pre&gt;&lt;code&gt;
#!/bin/bash

for file in &quot;$PATH_TO_SOMEWHERE&quot;; do
      if [ -d $file ]
      then
              # do something directory-ish
      else
              if [ &quot;$file&quot; == &quot;*.txt&quot; ]       #  this is the snag
              then
                     # do something txt-ish
              fi
      fi
done;
&lt;/code&gt;&lt;/pre&gt;

My problem is determining the file extension and then acting accordingly.  I know the issue is in the if-statement, testing for a txt file.  

How can I determine if a file has a .txt suffix?


How to check the extension of a filename in a bash script?

In a C# console application, is there a smart way to have console output mirrored to a text file?

Currently I am just passing the same string to both `Console.WriteLine` and `InstanceOfStreamWriter.WriteLine` in a log method.



Mirroring console output to a file

Is there a method in the System.IO namespace that checks the validity of a filename?

For example, `C:\foo\bar` would validate and `:&quot;~-*` would not

Or a little trickier, `X:\foo\bar` would validate is there is an `X:` drive on the system, but wouldn&#39;t otherwise.

I suppose I could write such a method myself, but I&#39;m more interested in a built-in one.

In C# check that filename is *possibly* valid (not that it exists)

I can quite easily dump data into a text file such as:

    sqlcmd -S myServer -d myDB -E -Q &quot;select col1, col2, col3 from SomeTable&quot; 
         -o &quot;MyData.txt&quot;

However, I have looked at the help files for `SQLCMD` but have not seen an option specifically for CSV. 

Is there a way to dump data from a table into a CSV text file using `SQLCMD`?

How to export data as CSV format from SQL Server using sqlcmd?

Currently our Java application uses the values held within a tab delimited *.cfg file. We need to change this application so that it now uses an XML file.

What is the best/simplest library to use in order to read in values from this file?

Content Type	Original Author	Original Content on Stackoverflow
Question	Željko Filipin	View Question on Stackoverflow
Solution 1 - Ruby	Berk D. Demir	View Answer on Stackoverflow
Solution 2 - Ruby	peter	View Answer on Stackoverflow
Solution 3 - Ruby	Željko Filipin	View Answer on Stackoverflow
Solution 4 - Ruby	user49221	View Answer on Stackoverflow
Solution 5 - Ruby	z atef	View Answer on Stackoverflow
Solution 6 - Ruby	kajal	View Answer on Stackoverflow

How do I move a file with Ruby?

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Why is it considered a bad practice to omit curly braces?

Why is a C++ Vector called a Vector?

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