merge/add hash to hash-slice

pelagic has asked for the wisdom of the Perl Monks concerning the following question:

Hello Monks
does anybody have an idea why the first attempt to merge the hashes does not work while the second does?

@run{$runtype}{$pid}{keys %message} = values %message;
#   Error: Can't use subscript on hash slice

while ( my ($k,$v) = each(%message) ) {
    $run{$runtype}{$pid}{$k} = $v;
}
#   works fine
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pelagic

Comment on merge/add hash to hash-slice Download Code

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Re: merge/add hash to hash-slice by broquaint (Abbot) on Jun 08, 2004 at 11:51 UTC
You've got to dereference at the appropriate level e.g `@{ $run{$runtype}{$pid} }{keys %message} = values %message;` [download] See. `perlreftut` and tye's References quick reference for more info on dereferencing complex structures. HTH `_________ broquaint`	[reply] [d/l]
Re^2: merge/add hash to hash-slice by pelagic (Priest) on Jun 08, 2004 at 11:56 UTC
of course ... and thanks a lot! pelagic	[reply]
Re: merge/add hash to hash-slice by BrowserUk (Patriarch) on Jun 08, 2004 at 11:56 UTC
Try `@{ $run{$runtype}{$pid} }{keys %message} = values %message;` [download] Examine what is said, not who speaks. "Efficiency is intelligent laziness." -David Dunham "Think for yourself!" - Abigail	[reply] [d/l]