On 6 Nov 2007, at 12:35, Richard Dyce wrote:
Not urgent an query, just looking for some insight... [...] Whilst it does work, I realised that there are more cunning minds at work on this list than mine, and perhaps they might have some way to clean-up those substitutions for the $tags variable in the middle. I know I can do it using a sed script, but I was wondering if there was some elegant bash trick I was missing....
Nope, bash is very limited in that way, i.e. it basically does a two- step variable expansion with close to no support for recursive constructs (forcing you to call out to a more capable scripting language or split up your expressions into multiple lines).