On Thu, 2005-04-07 at 19:56 -0500, Dan McGhee wrote:
I also cannot mentally expand the expression
$PATHVARIABLE=${!PATHVARIABLE:+:${!PATHVARIABLE}}
Can't blame you - that's pretty ugly. I've seen (and written) worse
though, so let's break it down:
The exclamation marks are like a pointer -
Simon Geard wrote:
On Thu, 2005-04-07 at 19:56 -0500, Dan McGhee wrote:
I also cannot mentally expand the expression
$PATHVARIABLE=${!PATHVARIABLE:+:${!PATHVARIABLE}}
Can't blame you - that's pretty ugly. I've seen (and written) worse
though, so let's break it down:
The exclamation marks
Andrew Benton wrote:
snipI've just started reading the Advanced Bash Scripting Guide
http://personal.riverusers.com/~thegrendel/abs-guide-3.3.tar.bz2 and
on what I've read so far, I recommend it.
Andrew, thanks for the recommendation on the book. It's really
informative and laid out well.
