asterix_and_snail.sh~

echo "We'll see the role of asterix and snail (at) special variables."

echo "Asterix contains a single string repsenting all the input parameters concatenated."
echo "IFS is the Internal Field Separator and it modifies how positional parameters are listed up."

# $* is a single string that lists all of the input parameters.

echo "Example for $*."
echo "Standard IFS"
echo "$*"
echo "IFS=,"
IFS=,
echo "$*"


echo "Snail, instead, is used to store the input parameters as a list of strings."

# $@ is a vector of strings, each of them is a parameter input

# Function that counts input arguments
function countargs
{
    echo "Number of arguments passed to countargs: $#"
    }

countargs $*
countargs $@