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how to: Backtick: Add reference

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Andreas Nordal 2018-06-03 22:50:59 +02:00
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how_to_do_things_safely_in_bash.md
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@ -45,7 +45,7 @@ Command substitutions also come in this form:
* Correct: `` "`cmd`" ``
* Bad: `` `cmd` ``
While it is possible to use this style correctly, it looks even more awkward in quotes and is less readable when nested. The consensus around this one is pretty clear: Avoid.
While it is possible to use this style correctly, it is harder: [Backticks require escaping when nested, and examples in the wild are improperly quoted more often than not](http://wiki.bash-hackers.org/scripting/obsolete). Avoid.
Shellharden rewrites these into the dollar-parenthesis form.