function_name () { echo "Some function" } # Call function function_name
function_name () { # No spaces around "=" local some_var=10 echo "Some function (${some_var})" } # Call function function_name # prints "Testing global: " echo "Testing global: ${some_var}"
print_sum () { echo $(( $1 + $2 )) } print_sum 10 5
my_sum () { echo $(( $1 + $2 )) } # result is 15 result=$(my_sum 10 5)