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Merge pull request #16 from FriendlyNeighborhoodShane/master

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Dynamic variable naming magic
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dylan 2020-07-16 15:36:47 +03:00 committed by GitHub
parent 70f410ebb2 9bcd730b6f
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README.md
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@ -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
```