On 07/22/2012 12:22 AM, Alan Curry wrote: > Eric Blake writes: >> >> On 07/21/2012 12:20 PM, Jean-Pierre Tosoni wrote: >>> Hello Maintainer, >>> =20 >>> I am using join v8.5 from debian squeeze. >>> =20 >> >>> now, the command: >>> join -v 2 -1 2 -2 3 a b >>> produces >>> =3D=3D=3D=3D wrong output =3D=3D=3D=3D >>> zzz222 zzz111 keyZ zzz333 >> >> I tried reproducing this with coreutils 8.17: >> >> $ cat a b >> axx111 keyX axx222 >> ayy111 keyY ayy222 >> xxx111 xxx222 keyX xxx333 >> zzz111 zzz222 keyZ zzz333 >> $ join -v2 -1 2 -2 3 a b >> keyZ zzz111 zzz222 zzz333 >> >> but I get the expected order. I don't see a specific mention of a fix >> for this in NEWS, so I have to wonder if this might be a bug in a >> debian-specific patch. Can you do some more investigating, such as >> compiling upstream coreutils to see if the problem still persists for you= >> ? > > It's not a Debian-specific problem. I can reproduce the bug with unaltered > coreutils 8.9. It was apparently fixed by accident as a side effect of some > other work on the join program. > > commit d4db0cb1827730ed5536c12c0ebd024283b3a4db > Author: Pádraig Brady > Date: Wed Jan 5 11:52:54 2011 +0000 > > join: add -o 'auto' to output a constant number of fields per line > > d4db0cb1827730ed5536c12c0ebd024283b3a4db can be cherry-picked and applied to > older coreutils to fix the bug. I tested this with upstream 8.9 and Debian's > 8.5, both applied with fuzz but worked correctly. > Thanks for looking into that Alan, and thanks for reporting this Jean-Pierre. I've installed the attached to document the fix and add a test. cheers, Pádraig.