# \[0xff0c\].pack("U").encode("Windows-31J", "UTF-8")

**URL:** <https://www.ruby-forum.com/t/0xff0c-pack-u-encode-windows-31j-utf-8/144726>\
**Category:** Development\
**Created:** [August 1, 2008, 3:18pm UTC](https://www.ruby-forum.com/t/0xff0c-pack-u-encode-windows-31j-utf-8/144726 "2008-08-01T15:18:29Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [August 1, 2008, 3:18pm UTC](https://www.ruby-forum.com/t/0xff0c-pack-u-encode-windows-31j-utf-8/144726/1 "2008-08-01T15:18:29Z")

</div>

e$B0J2\<$N$h$&$K!“e(BU+FF0C e$B$,e(B Windows-31J  
e$B$KJQ49$G$-$^$;$s$,!”$3$le(B  
e$B$O$=$&$$$&$b$N$G$7$g$&$+!#e(B

% ./ruby -ve ‘p [0xff0c].pack(“U”).encode(“Windows-31J”, “UTF-8”)’  
ruby 1.9.0 (2008-08-01 revision 18308) [i686-linux]  
-e:1:in `encode': conversion undefined for byte sequence (maybe invalid byte sequence) (RuntimeError) from -e:1:in `’

[http://www.microsoft.com/globaldev/reference/dbcs/932/932\_81.mspx](http://www.microsoft.com/globaldev/reference/dbcs/932/932_81.mspx)  
e$B$G!“e(B8143 e$B$N$H$3$m$Ke(B FF0C  
e$B$H=q$$$F$”$k$N$G!“JQ49$G$-$F$b$$$$e(B  
e$B$h$&$J5$$,$7$^$9$,!”$I$&$J$s$G$7$g$&e(B?

e$B$J$\*!"5UJ}8~$OJQ49$G$-$^$9!#e(B

% ./ruby -e ‘p “\x81\x43”.encode(“UTF-8”,  
“Windows-31J”).encode(“UTF-16BE”).unpack(“H\*”)’  
[“ff0c”]