POSIX command substitution The following patch updates to use POSIX[1] command substitution $() in place of backtics (``). Motivation: - The $() is recommend by many[2]. E.g it nests easily - Readability. In high resolution display a "tick" is hard to see. Selected font may also make reading the "tick" difficult. - Keyboards may have the tick key in an unnatural position that makes it hard to type. E.g acrobatics is needed with FI-keyboard (AltGr+key+Space char) REFERENCES [1] POSIX standard IEEE Std 1003.1: 2.6.3 Command Substitution http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_03 [2] Bash manual: "...old-style backquote" in section "3.5.4 Command Substitution" http://www.gnu.org/software/bash/manual/bashref.html#Command-Substitution BashFAQ: Why is $(...) preferred over `...` (backticks)? http://mywiki.wooledge.org/BashFAQ/082 Advanced Bash-Scripting Guide: "...The $(...) form has superseded backticks for command substitution." http://tldp.org/LDP/abs/html/commandsub.html
It's only worth making this change if we're changing something else nearby in the file anyway; otherwise many users will get a dpkg conffile prompt for a fairly abstract benefit. Thanks,
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