#!/bin/bash# length.shE_NO_ARGS=65if [ $# -eq 0 ]  # Must have command-line args to demo script.then  echo "Please invoke this script with one or more command-line arguments."  exit $E_NO_ARGSfi  var01=abcdEFGH28ijecho "var01 = ${var01}"echo "Length of var01 = ${#var01}"# Now, let's try embedding a space.var02="abcd EFGH28ij"echo "var02 = ${var02}"echo "Length of var02 = ${#var02}"echo "Number of command-line arguments passed to script = ${#@}"echo "Number of command-line arguments passed to script = ${#*}"exit 0