function connectPi()
{
#ssh pi@192.168.1.${1}
param1="$1"
size=${#param1}
if [ $size -le 0 ]; then
echo 'IP not defined'
else
ssh pi@192.168.1.${param1}
fi
}
function printTree()
{
find . -type d | sed -e "s/[^-][^\/]*\// |/g" -e "s/|\([^ ]\)/|-\1/"
}
function mkcd()
{
mkdir $1 && cd $1
}
function cl()
{
cd $1 && ls
}