Add comment mark to the parameter output

complicated_program.sh

@@ -38,7 +38,7 @@ while [[ $# -gt 0 ]]; do
       shift # past value
       ;;
     -*|--*)
-      echo "Unknown option $1"
+      echo "# Unknown option $1"
       exit 1
       ;;
     *)
@@ -53,16 +53,16 @@ set -- "${POSITIONAL_ARGS[@]}"
 
 # display the captured arguments
 # the options
-echo "p1  = ${PARA1}"
-echo "p2  = ${PARA2}"
+echo "# p1  = ${PARA1}"
+echo "# p2  = ${PARA2}"
 # capture the non-optional argument, if it exists
 if [[ -n $1 ]]; then
-    echo "The non-optional/last argument = $1"
+    echo "# The non-optional/last argument = $1"
 
     # run word count example
     if [[ -f $1 ]]; then
         cat "$1" | tr "[a-z]" "[A-Z]" | tr -cs "A-Z'" "\012" | sort | uniq -c | sort -n -r 
     else
-        echo "File ($1) doesn't exist!"
+        echo "# File ($1) doesn't exist!"
     fi
 fi
\ No newline at end of file