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Sep 20th, 2014
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  1. #!/bin/bash
  2.  
  3. if [$# -eq 3]
  4.         then echo "$1 $2 $3 = `expr $1 $2 $3`"
  5.         else echo "error en los argumentos"
  6.         exit 1
  7. fi
  8. exit
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