Linux / Unix: Bash Shell Assign Printf Result To Variable

How do I assign printf command result to a shell variable under Unix like operating systems?

The printf command syntax is as follows:

 
printf "FORMAT" var
var=$(printf "FORMAT" var1)
var="$(printf "FORMAT" var1)"

Examples

Type the following command:

 
dir="/home/httpd"
printf "%s\n" $dir

To store result to a variable called j, enter:

 
dir="/home/httpd"
j=$(printf "%s" $dir)
echo "$j"
printf "%s\n" $j

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