# \[BUG: 1.9\] encoding warning

**URL:** <https://www.ruby-forum.com/t/bug-1-9-encoding-warning/159513>\
**Category:** Development\
**Created:** [February 5, 2009, 9:01am UTC](https://www.ruby-forum.com/t/bug-1-9-encoding-warning/159513 "2009-02-05T09:01:39Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [February 5, 2009, 9:01am UTC](https://www.ruby-forum.com/t/bug-1-9-encoding-warning/159513/1 "2009-02-05T09:01:39Z")

</div>

e$B!!$5$5$@$G$9!%e(B

e$B!!0J2\<$N$h$&$K!$e(B-v e$B$de(B -w e$BIU$-$Ne(B ruby e$B$Ge(B erb  
e$B$re(B require e$B$9$k$H!$e(B"coding:  
…" e$B$N\>l=j$,0c$&$h!$$H$$$&7Y9p$,=P$^$9!%e(B

$ cat test.rb  
require ‘erb’

$ /tmp/trunk/bin/ruby -v test.rb  
ruby 1.9.2dev (2009-02-05 trunk 22076) [x86\_64-linux]  
test.rb:1: warning: encoding ‘UTF-8’ is ignored, valid only in the first  
line except for shebang line.  
test.rb:1: warning: encoding ‘Big5’ is ignored, valid only in the first  
line except for shebang line.

e$B!!$3$l$O!$e(B2e$B$D$NLdBj$,$"$k$+$H;W$$$^$9!%e(B

(1) erb e$B$N@bL@$N%3%a%s%H$KH?1~$7$F7Y9p$r$7$F$$$ke(B

e$B!!$A$g$C$H8+$F$\_$k$H!$e(B68  
e$B9TL$K%3%a%s%HCf$N%5%s%W%k%3!\<%I$H$7$Fe(B

# # -_- coding: UTF-8 -_-

e$B$H$$$&9T$,!$e(B72 e$B9TL$Ke(B

# \<%#-_- coding: Big5 -_-%\>

e$B$H$$$&9T$,$"$j$^$9!%$3$l$KBP$7$F$N7Y9p$8$c$J$$$+$H;W$$$^$9!%$A$g$C$H$d$je(B  
e$B$9$.!)e(B

(2) require e$B$7$F$$$k9T$N7Y9p$H$7$F=P$F$$$ke(B

test.rb:1: warning: encoding ‘UTF-8’ is ignored, valid only in the first  
line except for shebang line.

e$B$H!$e(Brequire  
e$B$7$F$$$k9T$,7Y9p9T$H$7$FI=\<($5$l$F$$$^$9!%B?J,!$e(Berb.rb:68 e$B$He(B  
e$B$+$HI=\<($7$F$/$l$?$[$&$,$$$$$H;W$$$^$9!%e(B

e$B!!e(B(1) e$B$O$I$&$+$J!$$H;W$$$^$9!%e(B(2)  
e$B$O!$D\>$7$?$[$&$,$$$$$s$G$O$J$$$+$H;W$$e(B  
e$B$^$9!%e(B

# (1) e$B$Ne(B ad-hoc e$B$J2r7h:v$H$7$F!$e(B=begin/=end

e$B$G0O$C$F$7$^$&$C$F$N$,e(B

# e$B$"$k$h$&$G$9!%e(B

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [April 1, 2009, 2:28pm UTC](https://www.ruby-forum.com/t/bug-1-9-encoding-warning/159513/2 "2009-04-01T14:28:35Z")

</div>

e$B1sF#$G$9!#e(B

2009/2/5 SASADA Koichi [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> test.rb:1: warning: encoding ‘UTF-8’ is ignored, valid only in the first
> 
> # # -_- coding: UTF-8 -_-
> 
> # (1) e$B$Ne(B ad-hoc e$B$J2r7h:v$H$7$F!$e(B=begin/=end e$B$G0O$C$F$7$^$&$C$F$N$,e(B
> 
> # e$B$"$k$h$&$G$9!%e(B
> 
> –  
> // SASADA Koichi at atdot dot net

e$B$3$N7o!"$I$&$J$k$b$N$G$7$g$&!#e(Bhoe e$B$G\<B:]$KH/\>I$7$F$$$^$9!#e(B

$ sow19  
/home/mame/work/ruby19/local/lib/ruby/gems/1.9.1/gems/hoe-1.12.1/bin/sow:10:  
warning: encoding ‘UTF-8’ is ignored, valid only in the first line  
except for shebang line.  
/home/mame/work/ruby19/local/lib/ruby/gems/1.9.1/gems/hoe-1.12.1/bin/sow:10:  
warning: encoding ‘Big5’ is ignored, valid only in the first line  
except for shebang line.  
usage: sow19 [-d|-t] project  
-t = add project to subdir under ‘trunk’  
-d = add project to subdir under ‘dev’

e$B\<B32$O$J$$$b$N$N!"$J$+$J$+$a$6$o$j$G$9!#e(B

e$B$H$j$"$($:%Q%C%A$G$9!#e(B

# Index: lib/erb.rb

— lib/erb.rb (revision 23115)  
+++ lib/erb.rb (working copy)  
@@ -65,6 +65,7 @@

# a magic comment, however, it returns a string in the encoding

specified

# by the magic comment.

# 

+=begin

# # -_- coding: UTF-8 -_-

# require ‘erb’

# 

@@ -73,6 +74,7 @@

# \_\_ENCODING\_\_ is \<%= \_\_ENCODING\_\_ %\>.

# EOF

# puts template.result

+=end

# 

# _Prints:_ \_\_ENCODING\_\_ is Big5.

# 

# Index: parse.y

— parse.y (revision 23115)  
+++ parse.y (working copy)  
@@ -6089,7 +6089,7 @@  
magic\_comment\_encoding(struct parser\_params \*parser, const char  
\*name, const char \*val)  
{  
if (!comment\_at\_top(parser)) {

- rb\_warning(“encoding ‘%s’ is ignored, valid only in the first line  
except for shebang line.”,

- rb\_warningS(“encoding ‘%s’ is ignored, valid only in the first line  
except for shebang line.”,  
val);  
return;  
}

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [April 2, 2009, 10:55am UTC](https://www.ruby-forum.com/t/bug-1-9-encoding-warning/159513/3 "2009-04-02T10:55:34Z")

</div>

begin/end で直すのに一票。そういう手があったのには気がつかなかったです。

よろしくお願いします。 Martin.

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [July 16, 2009, 10:14am UTC](https://www.ruby-forum.com/t/bug-1-9-encoding-warning/159513/4 "2009-07-16T10:14:48Z")

</div>

e$B%A%1%C%He(B #1110 e$B$,99?7$5$l$^$7$?!#e(B (by Yuki S.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B  
ruby -v e$BCN$i$s$K%;%C%He(B

## applied in an ancient changeset.

[http://redmine.ruby-lang.org/issues/show/1110](http://redmine.ruby-lang.org/issues/show/1110)