Re: Proposal for psql wildcarding behavior w/schemas
От | Nigel J. Andrews |
---|---|
Тема | Re: Proposal for psql wildcarding behavior w/schemas |
Дата | |
Msg-id | Pine.LNX.4.21.0208061656580.3235-100000@ponder.fairway2k.co.uk обсуждение исходный текст |
Ответ на | Re: Proposal for psql wildcarding behavior w/schemas (Alvaro Herrera <alvherre@atentus.com>) |
Список | pgsql-hackers |
On Tue, 6 Aug 2002, Alvaro Herrera wrote: > Nigel J. Andrews dijo: > > > Hmm...that's not how I've always understood shell quoting, at least for bash: > > > > ~$ aa=3 > > ~$ perl -e 'print join(",",@ARGV), "\n";' "1 $aa 2 3" 4 5 6 > > 1 3 2 3,4,5,6 > > ~$ > > What's the difference? What your example is saying basically is that > the shell is treating the "1 $aa 2 3" as a single parameter (i.e. spaces > do not have the usual parameter-separating behaviour), _but_ variables > are interpreted. Using '' prevents variable substitution, so > > > ~$ perl -e 'print join(",",@ARGV), "\n";' '1 $aa 2 3' 4 5 6 > > should give > 1 $aa 2 3,4,5,6 Oops, I've just realised the original was about glob expansion whereas I was looking at other special characters. -- Nigel J. Andrews Director --- Logictree Systems Limited Computer Consultants
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