#!/bin/bash

## print test of arguments

echo number of args: $#
echo name of script: $0
echo all args: "$*"
echo all args: "$@"
echo last exit: $?

for v in "$*"
do
    echo $v
    echo .
done

for v in "$@"
do
    echo $v
    echo .
done	  

var1=3
var2=7

var3=$var1+$var2
echo $var3

var3=$(( $var1+$var2 ))
echo $var3

let var3="$var1+$var2"
echo $var3

if [ $var1 -lt 5 ]
then
    echo Comparison worked
fi

if [ $var1 < 5 ]
then
    echo Comparison 2 worked
fi

if [[ $var1 < 5 ]]
then
    echo Comparison 3 worked
fi

for i in $(seq 1 $var2)
do
    echo $i is "$@"
done