Re: [PLUG] bash, double for

["Paul L. Snyder" <plsnyder@drexel.edu>]

Quoting "Michael C. Toren" <mct@toren.net>:

> On Thu, May 19, 2005 at 01:32:10PM -0400, Jeff Abrahamson wrote:
> > The variable array is space separated (so not a bash array).  I want
> > bash to index through it like it does with command-line args and let
> > me refer to each term in sequence.
> 
> How about:
> 
> 	foo=([0]="zero" [1]="one" [2]="two" [3]="three")
[...]
> 	for i in "${foo[@]}"; do
> 	    echo $i
> 	done

I usually use zsh, so I had to fire up bash to test this, and the below
does work.  bash performs word splitting on unquoted parameters.  Combine
with arthmetic expansion:

  foo="bar baz womble"
  c=0
  for e in $foo; do echo "$c is $e"; c=$(($c+1)); done

pls
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