PC^2/pc2judge/samps/loopprint

   1 #!/bin/sh
   2
   3 # CUSTOMIZE HERE
   4 # this is the local print queue
   5 # test with: lp -d thisvalue file_to_print
   6 PRINTER=balloon
   7
   8 # use this value in the balloon "Print Device(Port)"
   9 # may need to change this to a user writable directory
  10 FIFO=/dev/balloonprinter
  11
  12 # the rest should not change
  13
  14 if [ -e $FIFO ]; then
  15         if [ ! -p $FIFO ]; then
  16                 echo $FIFO is not a pipe, cannot continue
  17                 exit 2
  18         fi
  19 else
  20         # make the pipe
  21         mkfifo $FIFO
  22         # attempt to clean up after ourselves
  23         trap 'rm -f $FIFO;exit 0' 0
  24 fi
  25
  26 while /bin/true
  27 do
  28
  29         cat $FIFO | lp -d $PRINTER
  30
  31 done
  32
  33 # eof