[xmonad] xmobar PipeReader doesn't work

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Thu Mar 12 18:00:22 EDT 2009

On 2009 Mar 12, at 13:23, Xie Hanjian wrote:
> 	01:19:~$ cat /dev/shm/lrcfifo|xmobar -b
> 	<stdin>: hGetLine: end of file
> Is this a haskell issue? Google told me haskell has problem like this
> when read from a pipe .. How can I fix this?

That's unrelated; the FIFO is behaving the way it's supposed to, the  
listener has to open for read+write to keep it around.  xmobar does so  
with its PipeOpen; cat doesn't, and the shell pipe doesn't (and can't).

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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