double_n.sh 139 B

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  1. #!/bin/sh
  2. if [ $# -ne 1 ] ; then
  3. echo "usage: $0 <n>"
  4. exit
  5. fi
  6. n1=$1
  7. n2=`echo "${n1} * 2" | bc`
  8. echo "n1;n2"
  9. echo "${n1};${n2}"