diff --git a/SC2006.md b/SC2006.md index 92b8d3f..9eea22c 100644 --- a/SC2006.md +++ b/SC2006.md @@ -1,4 +1,4 @@ -# Use $(STATEMENT) instead of legacy \`STATEMENT\` +# Use `$(...)` notation instead of legacy backticked `` `...` ``. ### Problematic code @@ -14,13 +14,13 @@ echo "Current time: $(date)" ### Rationale -Backtick command substitution `` `STATEMENT` `` is legacy syntax with several issues. +Backtick command substitution `` `...` `` is legacy syntax with several issues. 1. It has a series of undefined behaviors related to quoting in POSIX. 1. It imposes a custom escaping mode with surprising results. 1. It's exceptionally hard to nest. -`$(STATEMENT)` command substitution has none of these problems, and is therefore strongly encouraged. +`$(...)` command substitution has none of these problems, and is therefore strongly encouraged. ### Exceptions @@ -28,5 +28,5 @@ None. ### Related resources: -* [BashFaq: Why is $(...) preferred over `` `...` `` (backticks)?](http://mywiki.wooledge.org/BashFAQ/082) +* [BashFaq: Why is `$(...)` preferred over `` `...` `` (backticks)?](http://mywiki.wooledge.org/BashFAQ/082) * [StackOverflow: What is the difference between $(command) and `` `command` `` in shell programming?](https://stackoverflow.com/questions/4708549/shell-programming-whats-the-difference-between-command-and-command)