Dynamic variable naming magic

This commit is contained in:
FriendlyNeighborhoodShane 2020-07-16 17:56:14 +05:30 committed by FriendlyNeighborhoodShane
parent 70f410ebb2
commit 9bcd730b6f

View file

@ -677,12 +677,12 @@ done
# VARIABLES
## Name a variable based on another variable
## Name and access a variable based on another variable
```shell
$ var="world"
$ export "hello_$var=value"
$ printf '%s\n' "$hello_world"
$ eval "hello_$var=value"
$ eval printf '%s\n' "\$hello_$var"
value
```