Shell read-only variable

test.sh:

#!/bin/bash

myUrl="http://www.google.com span>"

readonly myUrl

myUrl="http://www.runoob.com span>"

Output

bogon:Desktop macname $ ./test.sh

./test.sh: line 4: myUrl: readonly span> variable

Reference:

https://www.runoob.com/linux/linux-shell-variable.html< /p>

#!/bin/bash

myUrl="http://www.google.com span>"

readonly myUrl

myUrl="http://www.runoob.com span>"

bogon:Desktop macname$ ./test.sh

./test.sh: line 4: myUrl: readonly span> variable