[xmonad] xmobar PipeReader doesn't work

[Xie Hanjian]

Hi,

I add PipeReader to my .xmobarrc, but the xmobar will always show the
same string (which is read in when start xmobar), instead of showing strings
write to the fifo pipe later. Any solutions?

Thanks,
Jan

-- 
jan=callcc{|jan|jan};jan.call(jan)
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