[ILUG] Bash using locally scoped vars inside while loop.

[Padraig Brady]

Kevin O' Riordan wrote:
> Hi folks,
> 
> when I use a while loop to read piped input, bash seems to use locally
> scoped variables instead of assigning to global variables in that
> script.  So far I've only seen this when I pipe data to a while loop.

Sorry I haven't looked at the script but when you pipe
to a control statement in sh/bash (a seriously useful feature by
the way), it runs that control statement in a subshell.

Padraig