nix-dot-dev/nix.dev
1
1
Fork 0
mirror of https://github.com/nix-dot-dev/nix.dev.git synced 2024-10-06 10:07:21 +03:00
Code Issues Projects Releases Wiki Activity

note on difference between antiquotation and shell vars

Browse Source
This commit is contained in:
Valentin Gagarin 2022-08-22 15:21:27 +02:00
parent b3a42cffdc
commit 40ca6fc799
1 changed files with 20 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
source/tutorials/nix-language.md
View File

@ -567,9 +567,27 @@ in
"no no no"
<!-- TODO: link to escaping rules -->
:::{warning}
You may encounter strings that use the dollar sign (`$`) before an assigned name, but no braces (`{ }`):
<!-- TODO: difference between ${foo} and $foo in build scripts -->
These are *not* antiquotations, but usually denote variables in a shell script.
In such cases, the use of names from the surrounding Nix expression is a coincidence.
Example:
```nix
let
out = "Nix"
in
"echo ${out} > $out"
```
"echo Nix > $out"
:::
<!-- TODO: link to escaping rules -->
## Functions