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On 09/11/2010 02:03 PM, Jonathan Callen wrote:
> On 09/08/2010 03:03 PM, MichaB Górny wrote:
>> If called with a single arg, it would assume val1=use1.
>
> Just as a proof-of-concept, here's one implementation of such a
> function, allowing for an arbitrary number of arguments:
>
Actually, I forgot to include the single-argument version (which really
is the same as usev(), so it's not as useful as you might think):
> use_echo() {
if [[ $# -eq 1 ]]; then
usev "$1"
return
fi
> while [[ $# -gt 1 ]]; do
> if use "$1"; then
> echo "$2"
> return
> fi
> shift 2
> done
> [[ $# -eq 1 ]] && echo "$1"
> }
Consider this a vote in favor of `use_echo use1 val1 use2 val2 other`
instead of `use_echo use1,val1 use2,val2 other` (I think this is more
readable, myself).
- --
Jonathan Callen
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