lib/total/linux.rb
# frozen_string_literal: true
# (The MIT License)
#
# Copyright (c) 2018-2024 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
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#
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# SOFTWARE.
# Linux specific.
#
# Author:: Yegor Bugayenko (yegor256@gmail.com)
# Copyright:: Copyright (c) 2018-2024 Yegor Bugayenko
# License:: MIT
module Total
# Linux specifics.
class Linux
# Get the total in bytes
def memory
raise CantDetect unless File.exist?('/proc/meminfo')
File.readlines('/proc/meminfo').each do |t|
return t.split(/ +/)[1].to_i * 1024 if t.start_with?('MemTotal:')
end
raise CantDetect, 'Can\'t detect memory size at /proc/meminfo'
end
end
end