tFIFO - plan9port - [fork] Plan 9 from user space
  HTML git clone git://src.adamsgaard.dk/plan9port
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
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       tFIFO (85B)
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            1 #!/usr/local/plan9/bin/rc
            2 9 ls -ptr $* | 9 sed -n -e '/^[0-9][0-9]*\.[1-9][0-9]*$/p'