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PiperOrigin-RevId: 312117514
2020-05-18 11:19:09 -07:00 · 2020-05-18 11:19:09 -07:00 · 35fd3f0167
parent 7a59e424c8
commit 35fd3f0167
1 changed files with 3 additions and 3 deletions
--- a/shellguide.md
+++ b/shellguide.md
@ -1253,17 +1253,17 @@ We prefer the use of builtins such as the *Parameter Expansion*
 functions in `bash(1)` as it's more robust and portable
 (especially when compared to things like `sed`).

-Example:
+Examples:

 ```shell
 # Prefer this:
-addition=$(( ${X} + ${Y} ))
+addition=$(( X + Y ))
 substitution="${string/#foo/bar}"
 ```

 ```shell
 # Instead of this:
-addition="$(expr ${X} + ${Y})"
+addition="$(expr "${X}" + "${Y}")"
 substitution="$(echo "${string}" | sed -e 's/^foo/bar/')"
 ```