[ale] perl/postgresql question

[Geoffrey Myers]

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