Module: Kernel

Defined in:
lib/dbgeni.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.executable_exists?(cmd) ⇒ Boolean

Returns:

  • (Boolean)
[View source]

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# File 'lib/dbgeni.rb', line 21

def self.executable_exists?(cmd)
  exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
  ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
    exts.each { |ext|
      exe = "#{path}/#{cmd}#{ext}"
      return exe if File.executable? exe
    }
  end
  return nil
end

.is_windows? ⇒ Boolean

Returns:

  • (Boolean)
[View source]

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# File 'lib/dbgeni.rb', line 6

def self.is_windows?
  # Ruby 1.9.3 warns if you use Config (instead of RbConfig) while older Ruby
  # doesn't have RbConfig, only Config :-/
  conf = Object.const_get(defined?(RbConfig) ? :RbConfig : :Config)::CONFIG
  conf['host_os'] =~ /mswin|mingw/
end

Instance Method Details

#suppress_warnings ⇒ Object

[View source]

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# File 'lib/dbgeni.rb', line 13

def suppress_warnings
  original_verbosity = $VERBOSE
  $VERBOSE = nil
  result = yield
  $VERBOSE = original_verbosity
  return result
end