# FeduxOrgStdlib::Command

## Usage

### which

Searches command in PATH. It supports the usage of a full path as well.

```ruby
require 'fedux_org_stdlib/command'

class XY
  include Command

  def method
    cmd_path = which( 'echo' )
    cmd_path = which( '/usr/bin/echo' )
  end
end
```