Re: conditional aliases are broken

[Greg Wooledge]

On Wed, Aug 17, 2011 at 08:46:34PM -0700, Linda Walsh wrote:
> how do you declare a variable for storage in the context of the caller?
> (using a function)...
> ???

The *caller* declares it.

> I found it very troublesome
> inside a function, to store a value into a local variable in the caller.

caller() {
  local x=0
  callee
  echo "x is <$x>"
}

callee() {
  x=42
}

caller