Shell string stitching

test.sh

#!/bin/bash

your_name="runoob"

# Use double quotes to splice

greeting="hello, "$your_name" !"

greeting_1="hello, ${your_name} ! "

echo $greeting $greeting_1

# Use single quotes to splice

greeting_2='hello, '$your_name' !'

greeting_3='hello, ${your_name} ! '

echo $greeting_2 $greeting_3

Output

bogon:Desktop macname$ ./test.sh

hello, runoob ! hello, runoob !

hello, runoob ! hello, ${your_name} !

#!/bin/bash

your_name="runoob"

# Use double quotes to splice

greeting="hello, "$your_name" !"

greeting_1="hello, ${your_name} ! "

echo $greeting $greeting_1

# Use single quotes to splice

greeting_2='hello, '$your_name' !'

greeting_3='hello, ${your_name} ! '

echo $greeting_2 $greeting_3

bogon:Desktop macname$ ./test.sh

hello, runoob ! hello, runoob !

hello, runoob ! hello, ${your_name} !