Re: [pcp] Fwd: PCP metrics auto-completion in the command line

[Roman Revyakin <rrevyakin@xxxxxxxxxx>]

On Mon, 11 May 2009 16:43:32 +1000 (EST)
Nathan Scott <nscott@xxxxxxxxxx> wrote:

> 
> ----- "Ken McDonell" <kenj@xxxxxxxxxxxxxxxx> wrote:
> 
> 
> Its running pminfo internally ...
> COMPREPLY=(`compgen -W '$(command pminfo)' $cur`)
> 
> ... maybe Roman can explain how that bit works.  compgen is
> a bash builtin:
>
Yes, it generates the completion list out of the output it receives from
the pminfo command. 

> 
> Not sure what -W does.
> 
Generate completions out of the given wordlist. 

> > And with -h and/or -a, hard to see how this is going to work without
> > surprises.
> 
> Those are explicitly excluded via the regexs (i.e. if those were the
> last part of the command line before attempting expansion, then no
> expansion is attempted, I think).
> 
Yes, exactly. Heavy Bash syntax :-)  

Roman