1
bash
This code demonstrates various methods to concatenate and print strings in Bash, including direct concatenation, variable interpolation, and string appending with the += operator.
a="Hello" b="world" echo $a", "$b"!" echo "$a, $b!" echo "${a}, ${b}!" str=$a str+=", " str+=$b str+="!" echo $str
bash internaldata manipulationsstring manipulation and expansionsstring concatenation