I'd also note that your discussion of scope doesn't mention local variables are possible in bash, see: http://www.tldp.org/LDP/abs/html/localvar.html http://www

I'd also note that your discussion of scope doesn't mention local variables are possible in bash, see: http://www.tldp.org/LDP/abs/html/localvar.html http://www.tldp.org/LDP/abs/html/localvar.html