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comp.lang.ruby

oracle oci8 utf8 corruption

ciapecki

5/28/2009 11:12:00 AM

I have a small script oci1.rb:

require 'oci8'
conn = OCI8.new("test","test","test_db")
File.open("out.txt","wb") do |out|
tabs = conn.exec('SELECT * from test_utf8') do |r|
out.write(r.join(','))
out.write("\n")
end
end
conn.logoff

that runs perfectly on windows producing from my test_db:
polish,lószc
russsian,????????
german,äöü

when I run exactly the same on my linux box:
polish,loszc
russsian,????????
german,aou

I tested then a small script that reads and writes UTF8 on linux
(read_write_utf8.rb):
File.open("utf8_out.txt","wb") do |out|
File.open("utf8.txt","r").each do |line|
out.write(line)
end
end

and that works good!

chris@emeadb:~/work/ruby/oci$ ruby read_write_utf8.rb

chris@emeadb:~/work/ruby/oci$ cat utf8.txt
polish,lószc
russsian,????????
german,äöü

chris@emeadb:~/work/ruby/oci$ cat utf8_out.txt
polish,lószc
russsian,????????
german,äöü

where should I try to dig into to find out how to force the oracle
database data to be properly stored in the file on linux?
I just add that
LANG=en_US.UTF-8

thanks,
chris
1 Answer

ciapecki

5/28/2009 7:06:00 PM

0

On May 28, 1:11 pm, ciapecki <ciape...@gmail.com> wrote:
> I have a small script oci1.rb:
>
> require 'oci8'
> conn = OCI8.new("test","test","test_db")
> File.open("out.txt","wb") do |out|
>   tabs = conn.exec('SELECT * from test_utf8') do |r|
>      out.write(r.join(','))
>      out.write("\n")
>   end
> end
> conn.logoff
>
> that runs perfectly on windows producing from my test_db:
> polish,lószc
> russsian,????????
> german,äöü
>
> when I run exactly the same on my linux box:
> polish,loszc
> russsian,????????
> german,aou
>
> I tested then a small script that reads and writes UTF8 on linux
> (read_write_utf8.rb):
> File.open("utf8_out.txt","wb") do |out|
>   File.open("utf8.txt","r").each do |line|
>     out.write(line)
>   end
> end
>
> and that works good!
>
> chris@emeadb:~/work/ruby/oci$ ruby read_write_utf8.rb
>
> chris@emeadb:~/work/ruby/oci$ cat utf8.txt
> polish,lószc
> russsian,????????
> german,äöü
>
> chris@emeadb:~/work/ruby/oci$ cat utf8_out.txt
> polish,lószc
> russsian,????????
> german,äöü
>
> where should I try to dig into to find out how to force the oracle
> database data to be properly stored in the file on linux?
> I just add that
> LANG=en_US.UTF-8
>
> thanks,
> chris

apparently setting NLS_LANG=AMERICAN_AMERICA.UTF8 (externally! - not
in the ruby script) did the trick.

chris