Ferg's gaff » bash http://scotgate.org Comics, Macs, RAID, Linux, Gentoo, some science and a dash of atheism. No longer a wet lab molecular biologist, I now work for MacVector, Inc. Sun, 05 Sep 2010 15:53:00 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 Bash shell extension http://scotgate.org/2009/08/10/bash-shell-extension/ http://scotgate.org/2009/08/10/bash-shell-extension/#comments Mon, 10 Aug 2009 06:14:38 +0000 Ferg http://scotgate.org/?p=410 I came across this cool tip whilst browsing the blog of a fellow storage geek’s who’d posted on the Linux RAID list.

Basically you can insert a variety of characters inside braces to expand them. I guess like a smart shell expansion using the tab. The most obvious usage is a major timesaver for creating a backup of a file (which of course we all should do everytime we edit a config file!).

cp foobar.conf{,.bak}

will work as:

cp foobar.conf foobar.conf.bak

Many more examples are given here.

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