# Eval(str.dump)==str

**URL:** <https://www.ruby-forum.com/t/eval-str-dump-str/126291>\
**Category:** Development\
**Created:** [January 17, 2008, 3:14am UTC](https://www.ruby-forum.com/t/eval-str-dump-str/126291 "2008-01-17T03:14:51Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/77aa72/32.png) [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\
**Post date:** [January 17, 2008, 3:14am UTC](https://www.ruby-forum.com/t/eval-str-dump-str/126291/1 "2008-01-17T03:14:51Z")

</div>

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1.8 e$B$@$He(B eval(str.dump) == str e$B$,e(B true e$B$K$J$j$^$9$,!“e(B  
1.9 e$B$@$He(B encoding e$B$N4X78$Ge(B false e$B$K$J$k$3$H$,$”$k$N$Oe(B  
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str = “\u3042”  
eval(str.dump) == str #=\> false

---

<div class="post-metadata">

**Author:** ![Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/77aa72/32.png) [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\
**Post date:** [January 17, 2008, 3:48am UTC](https://www.ruby-forum.com/t/eval-str-dump-str/126291/2 "2008-01-17T03:48:53Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:33142] eval(str.dump)==str”  
on Thu, 17 Jan 2008 11:14:21 +0900, Kazuhiro NISHIYAMA  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|1.8 e$B$@$He(B eval(str.dump) == str e$B$,e(B true e$B$K$J$j$^$9$,!“e(B  
|1.9 e$B$@$He(B encoding e$B$N4X78$Ge(B false e$B$K$J$k$3$H$,$”$k$N$Oe(B  
|e$B$=$&$$$&$b$N$G$7$g$&$+e(B?

|str = “\u3042”  
|eval(str.dump) == str #=\> false

e$B$3$N%1!\<%9$K$D$$$F$O%P%0$C$]$$$G$9!#e(Bevale$B$Oe(Bstring.encodinge$B$r8+e(B  
e$B$F%9%/%j%W%H%(%s%3!\<%G%#%s%0$r%;%C%H$9$k$D$b$j$@$C$?$N$G!"J8e(B  
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|e$B$=$&$$$&$b$N$@$H$9$k$He(Bdumpe$B$NBe$o$j$Ke(Bencodinge$B$b4^$a$Fe(B  
|e$B85$KLa$;$k$h$&$K$9$k\<jCJ$O2?$K$J$k$N$G$7$g$&$+e(B?

e$B$=$l0J30$N%1!\<%9$GL@\<(E\*$K;XDj$9$kI,MW$,$"$l$P9M$($^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/77aa72/32.png) [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\
**Post date:** [January 17, 2008, 4:18am UTC](https://www.ruby-forum.com/t/eval-str-dump-str/126291/3 "2008-01-17T04:18:24Z")

</div>

e$B@\>;3OB9-$G$9!#e(B

At Thu, 17 Jan 2008 11:47:27 +0900,  
Yukihiro M. wrote:

> |str = “\u3042”  
> |eval(str.dump) == str #=\> false
> 
> e$B$3$N%1!\<%9$K$D$$$F$O%P%0$C$]$$$G$9!#e(Bevale$B$Oe(Bstring.encodinge$B$r8+e(B  
> e$B$F%9%/%j%W%H%(%s%3!\<%G%#%s%0$r%;%C%H$9$k$D$b$j$@$C$?$N$G!"J8e(B  
> e$B;zNs$N%(%s%3!\<%G%#%s%0$Oe(BUTF-8e$B$K$J$k$O$:$G$9!#;~4V$r8+$FD\>$7e(B  
> e$B$F$\*$-$^$9!#C/$+$,@h$KD\>$7$F$/$l$F$b$$$$$1$I!#e(B

e$B$=$&$$$&;EMM$J$i!"e(Bdumpe$B$GJV$C$F$/$kJ8;zNs$,e(BASCII-8BITe$B$Ke(B  
e$B$J$C$F$$$k$N$G!"e(Bevale$B$NLdBj$G$O$J$5$=$&$G$9!#e(B

dumpe$B$NJ}$O!"e(Bdumpe$B$GJV$C$F$/$kJ8;zNs$,e(Bdumpe$BA0$HF1$8e(Bencodinge$B$Ke(B  
e$B$J$C$F$b!"e(Bascii onlye$B$@$+$iLdBj$J$5$=$&$J5$$,$7$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/77aa72/32.png) [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\
**Post date:** [January 17, 2008, 11:36pm UTC](https://www.ruby-forum.com/t/eval-str-dump-str/126291/4 "2008-01-17T23:36:49Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:33145] Re: eval(str.dump)==str”  
on Thu, 17 Jan 2008 12:05:28 +0900, Kazuhiro NISHIYAMA  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|e$B$=$&$$$&;EMM$J$i!"e(Bdumpe$B$GJV$C$F$/$kJ8;zNs$,e(BASCII-8BITe$B$Ke(B  
|e$B$J$C$F$$$k$N$G!"e(Bevale$B$NLdBj$G$O$J$5$=$&$G$9!#e(B

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|e$B$J$C$F$b!"e(Bascii onlye$B$@$+$iLdBj$J$5$=$&$J5$$,$7$^$9!#e(B

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```
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