/usr/lib/ruby/1.8/importenv.rb is in libruby1.8 1.8.7.352-2ubuntu1.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | # importenv.rb -- imports environment variables as global variables, Perlish ;(
#
# Usage:
#
# require 'importenv'
# p $USER
# $USER = "matz"
# p ENV["USER"]
warn "Warning:#{caller[0].sub(/:in `.*'\z/, '')}: importenv is deprecated after Ruby 1.8.1 (no replacement)"
for k,v in ENV
next unless /^[a-zA-Z][_a-zA-Z0-9]*/ =~ k
eval <<EOS
$#{k} = v
trace_var "$#{k}", proc{|v|
ENV[%q!#{k}!] = v
$#{k} = v
if v == nil
untrace_var "$#{k}"
end
}
EOS
end
if __FILE__ == $0
p $TERM
$TERM = nil
p $TERM
p ENV["TERM"]
$TERM = "foo"
p ENV["TERM"]
end
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