/usr/lib/ruby/1.8/irb/output-method.rb is in libruby1.8 1.8.7.352-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# output-method.rb - optput methods used by irb
# $Release Version: 0.9.5$
# $Revision: 11708 $
# $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#
require "e2mmap"
module IRB
# OutputMethod
# StdioOutputMethod
class OutputMethod
@RCS_ID='-$Id: output-method.rb 11708 2007-02-12 23:01:19Z shyouhei $-'
def print(*opts)
IRB.fail NotImplementError, "print"
end
def printn(*opts)
print opts.join(" "), "\n"
end
# extend printf
def printf(format, *opts)
if /(%*)%I/ =~ format
format, opts = parse_printf_format(format, opts)
end
print sprintf(format, *opts)
end
# %
# <¥Õ¥é¥°> [#0- +]
# <ºÇ¾®¥Õ¥£¡¼¥ë¥ÉÉý> (\*|\*[1-9][0-9]*\$|[1-9][0-9]*)
# <ÀºÅÙ>.(\*|\*[1-9][0-9]*\$|[1-9][0-9]*|)?
# #<Ťµ½¤ÀµÊ¸»ú>(hh|h|l|ll|L|q|j|z|t)
# <ÊÑ´¹½¤ÀµÊ¸»ú>[diouxXeEfgGcsb%]
def parse_printf_format(format, opts)
return format, opts if $1.size % 2 == 1
end
def foo(format)
pos = 0
inspects = []
format.scan(/%[#0\-+ ]?(\*(?=[^0-9])|\*[1-9][0-9]*\$|[1-9][0-9]*(?=[^0-9]))?(\.(\*(?=[^0-9])|\*[1-9][0-9]*\$|[1-9][0-9]*(?=[^0-9])))?(([1-9][0-9]*\$)*)([diouxXeEfgGcsb%])/) {|f, p, pp, pos, new_pos, c|
puts [f, p, pp, pos, new_pos, c].join("!")
pos = new_pos if new_pos
if c == "I"
inspects.push pos.to_i
(f||"")+(p||"")+(pp||"")+(pos||"")+"s"
else
$&
end
}
end
def puts(*objs)
for obj in objs
print(*obj)
print "\n"
end
end
def pp(*objs)
puts(*objs.collect{|obj| obj.inspect})
end
def ppx(prefix, *objs)
puts(*objs.collect{|obj| prefix+obj.inspect})
end
end
class StdioOutputMethod<OutputMethod
def print(*opts)
STDOUT.print(*opts)
end
end
end
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