Sha256: b89ffd304a3383281e033687e067c5b9c072f5f060cc6eac62bc51fef164b153
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Size: 1.27 KB
Versions: 142
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Contents
require 'stringio'
# Kernel
module Kernel
# capture STDOUT
#
#
# capture print
# print capture_stdout { print "hoge" } # => hoge
#
# if block have no STDOUT, capture_stdout returns empty.
# print capture_stdout { }.empty? # => true
def capture_stdout
begin
$stdout = StringIO.new
yield
result = $stdout.string
ensure
$stdout = STDOUT
end
result
end
# debug print line for print-debugging
#
#
# debug print default
# dp_line __LINE__
# # yy = call line no
# # => --------------------|filename=|line=yy|--------------------
#
# debug print with filename
# dp_line __LINE__, filename: __FILE__
# # xx = filename, yy = call line no
# # => --------------------|filename=xx|line=yy|--------------------
#
# debug print with no filename, specific char
# dp_line __LINE__, char: '@'
# # xx = filename, yy = call line no
# # => @@@@@@@@@@@@@@@@@@@@|filename=|line=yy|@@@@@@@@@@@@@@@@@@@@
def dp_line(line, options = { filename: '', char: '-' })
filename = options[:filename].nil? ? '' : options[:filename]
char = options[:char].nil? ? '-' : options[:char]
puts "#{char * 20}|filename=#{filename}|line=#{line}|#{char * 20}"
end
end
Version data entries
142 entries across 142 versions & 1 rubygems