[ale] perl/postgresql question

Jim Kinney jim.kinney at gmail.com
Thu Mar 31 15:40:58 EDT 2011


The "g" _should_ do it. Quite puzzling.
Can you do a run and find an example of when it fails? Is it always 0xbd?

Maybe someone in Tibet doesn't like your code :-)  (It's a Tibetan character
code in utf8)

On Thu, Mar 31, 2011 at 2:59 PM, Geoffrey Myers <lists at serioustechnology.com
> wrote:

> Jim Kinney wrote:
> > should it be replaced with nothing or with a NULL? Does the perl pointer
> > jump to the next character automatically when a match is made thus
> > skipping a character in your replace? Does a double run fix it?
>
> Missed the first question.  It should be removed, not replaced with an
> null.  For example I have:
>
> This is my <UGLY CHARACTER>data
>
> Should then be:
>
> This is my data
>
> >
> > On Thu, Mar 31, 2011 at 12:04 PM, Geoffrey Myers
> > <lists at serioustechnology.com <mailto:lists at serioustechnology.com>>
> wrote:
> >
> >     So, we are trying to convert a number of postgresql databases that
> were
> >     created with SQL_ASCII encoding to UTF8 encoding.  As such, I need to
> >     strip certain characters out of the data before dumping and reloading
> >     the new databases.  I'm using the following:
> >
> >     data =~ s/(.)/((ord($1) >= 0) && (ord($1) <= 8))
> >                     || (ord($1) == 11)
> >                     || ((ord($1) >= 13) && (ord($1) <= 31))
> >                     || ((ord($1) >= 127)) ?"": $1/egs;
> >
> >     Yet I'm getting the following error, which indicates a character that
> >     should be handled by the above code is still in the data:
> >
> >     pg_restore: [archiver (db)] COPY failed: ERROR:  invalid byte
> sequence
> >     for encoding "UTF8": 0xbd
> >
> >
> >     Certainly, the above code should replace the 0xbd with nothing?
> >
> >     Any perl/postgres gurus out there?
> >
> >     --
> >     Until later, Geoffrey
> >
> >     "I predict future happiness for America if they can prevent
> >     the government from wasting the labors of the people under
> >     the pretense of taking care of them."
> >     - Thomas Jefferson
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> >
> >
> >
> > --
> > --
> > James P. Kinney III
> > I would rather stumble along in freedom than walk effortlessly in chains.
> >
> >
> >
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>
> --
> Until later, Geoffrey
>
> "I predict future happiness for America if they can prevent
> the government from wasting the labors of the people under
> the pretense of taking care of them."
> - Thomas Jefferson
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-- 
-- 
James P. Kinney III
I would rather stumble along in freedom than walk effortlessly in chains.
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