module Rake::TraceOutput

Public Instance Methods

trace_on(out, *strings) click to toggle source

Write trace output to output stream out.

The write is done as a single IO call (to print) to lessen the chance that the trace output is interrupted by other tasks also producing output.

# File lib/rake/trace_output.rb, line 9
def trace_on(out, *strings)
  sep = $\ || "\n"
  if strings.empty?
    output = sep
  else
    output = strings.map { |s|
      next if s.nil?
      s =~ /#{sep}$/ ? s : s + sep
    }.join
  end
  out.print(output)
end