# Tempfile#size returns 0 under windows

**URL:** <https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056>\
**Category:** Development\
**Created:** [July 3, 2010, 6:25pm UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056 "2010-07-03T18:25:55Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![take\_tk](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ed8c4c/32.png) [@take\_tk](https://www.ruby-forum.com/u/take_tk)\
**Post date:** [July 3, 2010, 6:25pm UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056/1 "2010-07-03T18:25:55Z")

</div>

e$B$?$1e(B(tk)e$B$G$9!#e(B

Rails e$B$Ne(B attachment\_fue$B%W%i%0%$%s$,e(B  
Windowse$B4D6-$G%“%C%W%m!\<%I$7$?%U%!%$%ke(B  
e$B$N%5%$%:$r@53N$KJV$5$J$$$H$$$&LdBj$,$”$j$^$7$F!"e(B

[http://nonki.yoka-yoka.jp/e271445.html](http://nonki.yoka-yoka.jp/e271445.html)  
[http://www.google.co.jp/search?hl=ja&q=tempfile.rb+%40tmpfile.fsync&aq=f&aqi=&aql=&oq=&gs\_rfai=](http://www.google.co.jp/search?hl=ja&q=tempfile.rb+%40tmpfile.fsync&aq=f&aqi=&aql=&oq=&gs_rfai=)

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e$B$rF~$l$l$P$h$$!”$H$N$3$H$G$9!#e(B

class Tempfile  
def size  
if @tmpfile  
@tmpfile.fsync # added this line  
@tmpfile.flush  
@tmpfile.stat.size  
else  
0  
end  
end  
end

e$B$7$+$7!"e(Bruby1.8e$B$N!V0BDjHG%9%J%C%W%7%g%C%He(B(2010/07/03  
04:07:09e$B!W$G$b$3$Ne(B  
e$B9T$,F~$C$F$$$J$$$h$&$G$9!#e(B

e$B$3$l$Oe(B ruby e$B$N%P%0$J$N$G$7$g$&$+!)e(B e$B$=$l$H$be(B  
attachment\_fu e$B$NLdBj$J$N$G$7$ge(B  
e$B$&$+!)e(B  
e$B$^$?!":G?7HG$G$OB\>$N2r7hJ}K!$,9V$8$i$l$F$$$k$N$G$7$g$&$+!)e(B

take\_tk = kumagai hidetake

---

<div class="post-metadata">

**Author:** ![take\_tk](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ed8c4c/32.png) [@take\_tk](https://www.ruby-forum.com/u/take_tk)\
**Post date:** [July 4, 2010, 2:50am UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056/2 "2010-07-04T02:50:58Z")

</div>

e$B$J$+$@$G$9!#e(B

At Sun, 4 Jul 2010 01:25:05 +0900,  
take\_tk wrote in [ruby-dev:41800]:

> e$B$7$+$7!"e(Bruby1.8e$B$N!V0BDjHG%9%J%C%W%7%g%C%He(B(2010/07/03 04:07:09e$B!W$G$b$3$Ne(B  
> e$B9T$,F~$C$F$$$J$$$h$&$G$9!#e(B
> 
> e$B$3$l$Oe(B ruby e$B$N%P%0$J$N$G$7$g$&$+!)e(B e$B$=$l$H$be(B attachment\_fu e$B$NLdBj$J$N$G$7$ge(B  
> e$B$&$+!)e(B  
> e$B$^$?!":G?7HG$G$OB\>$N2r7hJ}K!$,9V$8$i$l$F$$$k$N$G$7$g$&$+!)e(B

tempfilee$B0J30$G$b5/$-$k$N$G!"e(BIO#flushe$B$Ge(Bfsync()e$B$9$k$h$&$K$J$j$^$7$?!#e(B

[http://redmine.ruby-lang.org/issues/show/776](http://redmine.ruby-lang.org/issues/show/776)

e$B3F%V%i%s%A$O0J2\<$N%j%S%8%g%s$G=$@5$5$l$F$$$^$9!#e(B  
1.8.6: r28003 2010-05-25  
1.8.7: r24406 2009-08-05  
1.8.8: r24223 2009-07-21  
1.9.1: r21035 2008-12-25  
1.9.2: r20982 2008-12-25

---

<div class="post-metadata">

**Author:** ![take\_tk](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ed8c4c/32.png) [@take\_tk](https://www.ruby-forum.com/u/take_tk)\
**Post date:** [July 4, 2010, 4:03pm UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056/3 "2010-07-04T16:03:22Z")

</div>

e$B$?$1e(B(tk)e$B$G$9!#e(B

[ruby-dev:41801] Re: Tempfile#size returns 0 under windows e$B$K$Fe(B  
Nobuyoshi N. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) e$B$5$se(B e$B[)$/e(B:

> 1.9.1: r21035 2008-12-25  
> 1.9.2: r20982 2008-12-25

e$BN;2r$7$^$7$?!#e(B

take\_tk = kumagai hidetake

---

<div class="post-metadata">

**Author:** ![take\_tk](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ed8c4c/32.png) [@take\_tk](https://www.ruby-forum.com/u/take_tk)\
**Post date:** [July 5, 2010, 2:49am UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056/4 "2010-07-05T02:49:34Z")

</div>

e$B$J$+$@$G$9!#e(B

At Mon, 5 Jul 2010 09:13:01 +0900,  
KOSAKI Motohiro wrote in [ruby-dev:41810]:

> e$B8e3X$N$?$a$K65$($F$/$@$5$$!#e(Bfdatasync()e$B$rHr$1$k$N$Oe(Bportabilitye$BE\*$Je(B  
> e$BM}M3$G$7$g$&$+!)e(B

Windowse$B8BDj$NOC$J$N$G85!9e(Bportabilitye$B$O9MN8$NT?30$G$9$,!“C1$Ke(B  
fsync()e$BAjEv$Ne(BFlushFileBufferse$B$7$+$J$/$Fe(Bfdatasync()e$BAjEv$,$J$$$+$ie(B  
e$B$G$9!#$=$l$H$be(BWindows  
7e$B$@$HJL$Ne(BAPIe$B$,DI2C$5$l$F$?$j$H$+!”$=$&$$$&e(B  
e$B%P!\<%8%g%s4V$Ne(Bportabilitye$B$G$9$+e(B?

---

<div class="post-metadata">

**Author:** ![take\_tk](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ed8c4c/32.png) [@take\_tk](https://www.ruby-forum.com/u/take_tk)\
**Post date:** [July 5, 2010, 2:13am UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056/5 "2010-07-05T02:13:52Z")

</div>

> tempfilee$B0J30$G$b5/$-$k$N$G!"e(BIO#flushe$B$Ge(Bfsync()e$B$9$k$h$&$K$J$j$^$7$?!#e(B
> 
> [http://redmine.ruby-lang.org/issues/show/776](http://redmine.ruby-lang.org/issues/show/776)
> 
> e$B3F%V%i%s%A$O0J2\<$N%j%S%8%g%s$G=$@5$5$l$F$$$^$9!#e(B  
> 1.8.6: r28003 2010-05-25  
> 1.8.7: r24406 2009-08-05  
> 1.8.8: r24223 2009-07-21  
> 1.9.1: r21035 2008-12-25  
> 1.9.2: r20982 2008-12-25

e$B8e3X$N$?$a$K65$($F$/$@$5$$!#e(Bfdatasync()e$B$rHr$1$k$N$Oe(Bportabilitye$BE\*$Je(B  
e$BM}M3$G$7$g$&$+!)e(B

---

<div class="post-metadata">

**Author:** ![take\_tk](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ed8c4c/32.png) [@take\_tk](https://www.ruby-forum.com/u/take_tk)\
**Post date:** [July 5, 2010, 3:58am UTC](https://www.ruby-forum.com/t/tempfile-size-returns-0-under-windows/191056/6 "2010-07-05T03:58:03Z")

</div>

> e$B%P!\<%8%g%s4V$Ne(Bportabilitye$B$G$9$+e(B?  
> e$B$9$$$^$;$s!“8mFI$7$F$$$^$7$?!#e(B  
> e$B%3!\<%I$\_$?$iL@\<(E\*$Ke(B #ifdef \_WIN32  
> e$B$7$F$”$j$^$9$M!#$F$C$-$je(BOSe$BHs0MB8$Ge(B  
> fsync()e$B8F$V$h$&$K$7$?$H$$$&OC$+$H;W$C$F$^$7$?!#$9$$$^$;$s!#e(B