New Features In Bash Version 4.x - Part 2
Now that we have covered some of the minor improvements found in bash 4.x, we will begin looking at the more significant new features focusing on changes in the way bash 4.x handles expansions.
Zero-Padded Brace Expansion
As you may recall, bash supports an interesting expansion called brace expansion. With it, you can rapidly create sequences. This is often useful for creating large numbers of file names or directories in a hurry. Here is an example similar to one in my book:
bshotts@twin7: ~$ mkdir -p foo/{2007..2010}-{1..12}
bshotts@twin7: ~$ ls foo
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