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def ruby_19?
!!(RUBY_VERSION =~ /^1.9/)
end
def ruby_18?
!!(RUBY_VERSION =~ /^1.8/)
end
def windows?
!!(RUBY_PLATFORM =~ /mswin|mingw|windows/)
end
# def jruby?
def unix?
!windows?
end
def os_x?
!!(RUBY_PLATFORM =~ /darwin/)
end
def solaris?
!!(RUBY_PLATFORM =~ /solaris/)
end
def freebsd?
!!(RUBY_PLATFORM =~ /freebsd/)
end
DEV_NULL = windows? ? 'NUL' : '/dev/null'
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