# Eval("\\"\\xfd".force\_encoding("utf-8")) generages garbage in error message

**URL:** <https://www.ruby-forum.com/t/eval-xfd-force-encoding-utf-8-generages-garbage-in-error-message/121863>\
**Category:** Development\
**Created:** [December 2, 2007, 3:01am UTC](https://www.ruby-forum.com/t/eval-xfd-force-encoding-utf-8-generages-garbage-in-error-message/121863 "2007-12-02T03:01:55Z")\
**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:** [December 2, 2007, 3:01am UTC](https://www.ruby-forum.com/t/eval-xfd-force-encoding-utf-8-generages-garbage-in-error-message/121863/1 "2007-12-02T03:01:55Z")

</div>

e$B0J2\<$N$h$&$Ke(B eval(""\xfd".force\_encoding(“utf-8”)) e$B$H$9$k$He(B  
e$B%(%i!\<%a%C%;!\<%8$Ke(B (cat -v e$B$G8+$($k$h$&$K$7$Fe(B)  
M-`M-bM-OM-7utf-8 e$B$J$I$H$$$&%4%\_$,=P$F$-$^$9!#e(B

sh-2.05b$ ./ruby -ve ‘eval(""\xfd".force\_encoding(“utf-8”))’ 2\>&1 | cat  
-v  
ruby 1.9.0 (2007-11-28 patchlevel 0) [i686-linux]  
-e:1:in `eval': -e:1:in`eval’: (eval):1: syntax error, unexpected  
tIDENTIFIER, expecting $end (SyntaxError)  
…M-lM-bM-RM-7utf-8  
… ^ from -e:1:in `’  
sh-2.05b$

1.8 e$B$G;w$?$3$H$r9T$&$He(B unterminated string meets end of file  
e$B$K$J$k$N$G$9$,!"$=$A$i$,E,@Z$@$H;W$$$^$9!#e(B

sh-2.05b$ ./ruby -v -Ku -e ‘eval(""\xfd")’  
ruby 1.8.6 (2007-12-01 patchlevel 5000) [i686-linux]  
-e:1: (eval):1: compile error (SyntaxError)  
(eval):1: unterminated string meets end of filesh-2.05b$

e$B$?$@!"e(B1.8 e$B$G$O!“e(Bunterminated string meets end of file  
e$B$N8e$Ke(B  
e$B2~9T$,=P$:!”%7%’%k$N%W%m%s%W%H$,$D$J$,$C$F$7$^$$$^$9!#e(B