initial commit

bin/double_n.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+if [ $# -ne 1 ] ; then
+    echo "usage: $0 <n>"
+    exit
+fi
+
+n1=$1
+n2=`echo "${n1} * 2" | bc`
+
+echo "n1;n2"
+echo "${n1};${n2}"
+