# Invalid packee for pack format "B"

**URL:** <https://www.ruby-forum.com/t/invalid-packee-for-pack-format-b/154910>\
**Category:** Development\
**Created:** [December 5, 2008, 4:24am UTC](https://www.ruby-forum.com/t/invalid-packee-for-pack-format-b/154910 "2008-12-05T04:24:17Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yugui\_SYuki\_S.S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/dec6dc/32.png) [@Yugui\_SYuki\_S.S](https://www.ruby-forum.com/u/Yugui_SYuki_S.S)\
**Post date:** [December 5, 2008, 4:24am UTC](https://www.ruby-forum.com/t/invalid-packee-for-pack-format-b/154910/1 "2008-12-05T04:24:17Z")

</div>

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

pack format  
"B"e$B$K$\*$$$F!"Fs?JI=5-$G$J$$Ho%Q%C%/J8;zNs$r\<uM}$9$k$N$O;EMMe(B  
e$B$G$7$g$&$+!#e(B

[“bcde”].pack(“B\*”) == [“0101”].pack(“B\*”) #=\> true

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<div class="post-metadata">

**Author:** ![Yugui\_SYuki\_S.S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/dec6dc/32.png) [@Yugui\_SYuki\_S.S](https://www.ruby-forum.com/u/Yugui_SYuki_S.S)\
**Post date:** [December 8, 2008, 9:55am UTC](https://www.ruby-forum.com/t/invalid-packee-for-pack-format-b/154910/2 "2008-12-08T09:55:15Z")

</div>

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

In message “Re: [ruby-dev:37279] invalid packee for pack format “B””  
on Fri, 5 Dec 2008 12:17:13 +0900, “Yugui (Yuki S.)”  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|pack format “B"e$B$K$_$$$F!"Fs?JI=5-$G$J$$Ho%Q%C%/J8;zNs$r\<uM}$9$k$N$O;EMMe(B  
|e$B$G$7$g$&$+!#e(B  
|  
|[“bcde”].pack("B_”) == [“0101”].pack(“B\*”) #=\> true

e$B!V;EMM!W$H$$$&C18l$O$$$m$$$m$J0UL#$r4^$`$N$G$3$3$G$OHr$1$k$3e(B  
e$B$H$H$7$^$9!#!V0U?^E\*!W$+$I$&$+$H?R$M$i$l$k$H!V$O$$!W$HEz$($^e(B  
e$B$9!#$3$l$Oe(BPerle$B$+$i7Q\>5$7$?$b$N$G$9!#e(B

e$B$3$l$rJQ$($k$H$9$k$He(B0e$B$+e(B1e$B$G$J$1$l$P%(%i!\<$K$9$k$N$G$7$g$&$+!#e(B

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<div class="post-metadata">

**Author:** ![Yugui\_SYuki\_S.S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/dec6dc/32.png) [@Yugui\_SYuki\_S.S](https://www.ruby-forum.com/u/Yugui_SYuki_S.S)\
**Post date:** [December 8, 2008, 12:31pm UTC](https://www.ruby-forum.com/t/invalid-packee-for-pack-format-b/154910/3 "2008-12-08T12:31:44Z")

</div>

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

Yukihiro M. e$B$5$s$O=q$-$^$7$?e(B:

> e$B!V0U?^E\*!W$+$I$&$+$H?R$M$i$l$k$H!V$O$$!W$HEz$($^e(B  
> e$B$9!#$3$l$Oe(BPerle$B$+$i7Q\>5$7$?$b$N$G$9!#e(B

e$B$J$k$[$I!#$A$g$C$H0U30$G$7$?$,!"$=$&$$$&$3$H$J$i@Q6KE\*$KF0:n$rJQ99$9$Y$-e(B  
e$B$H$O;W$$$^$;$s!#e(B