Re: (j.|.)

[Lawrence Velázquez <larryv@xxxxxxx>]

On Tue, Jan 31, 2023, at 4:50 PM, Ray Andrews wrote:
> On 2023-01-31 12:19, Roman Perepelitsa wrote:
>>
>> Do you understand what this does?
>>
>>      print -r -- ${(ok)parameters[(I)pa*|PA*]}
>
> I'm afraid I don't, never seen anything like it before this.  But I'd 
> better find out.  I'm sure I've seen the pipe char. as an operator.  
> Alternation, no?

Search for "x|y" in zshexpn(1).

> But never in this sort of context.

Search for "Subscript Flags" in zshparam(1), then find the "I" flag.

>   ... but wait ... the 'j' ... I don't know where to read up on that ...

Search for "j:string:" in zshexpn(1).

-- 
vq