GNU bug report logs - #6972
bug in sorting floats

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: saddy <sadmail <at> gmx.de>
To: bug-coreutils <at> gnu.org
Subject: bug in sorting floats
Date: Thu, 02 Sep 2010 11:25:10 +0200

Hi, I want to sort a file by the 6th column:

test.txt

AvrBs2<- Fer2 ->  XopE1 0.0844155844155844 ((1.1e+03)*(1.1e+03))
AvrBs2<- UPF0302 ->  XopE1 0 ((40)*(5.2e+02))
AvrBs1<- Calc_CGRP_IAPP ->  XopH 0.1 ((2.6e+02)*(4.2e+02))
AvrBs2<- DUF3248 ->  XopE1 0.0476190476190476 ((7.6e+02)*(5.7e+02))
AvrBs2<- MIG-14_Wnt-bd ->  XopE1 0 ((3.6e+03)*(3.6e+03))
XopX<- Zw10 ->  XopJ1 0.0218487394957983 ((1.6e+02)*(7e+02))
XopX<- Zw10 ->  XopJ2 0.019327731092437 ((1.6e+02)*(1.7e+03))
AvrBs1<- 3H ->  XopJ4 0.153061224489796 ((3.4e+02)*(25))
AvrBs2<- Ubiq_cyt_C_chap ->  XopE1 0 ((7.6e+02)*(1.8e+03))

There's no sort option to do that correctly:

saddy <at> lapsdy:~$ sort -k6g test.txt
AvrBs1<- 3H ->  XopJ4 0.153061224489796 ((3.4e+02)*(25))
AvrBs1<- Calc_CGRP_IAPP ->  XopH 0.1 ((2.6e+02)*(4.2e+02))
AvrBs2<- DUF3248 ->  XopE1 0.0476190476190476 ((7.6e+02)*(5.7e+02))
AvrBs2<- Fer2 ->  XopE1 0.0844155844155844 ((1.1e+03)*(1.1e+03))
AvrBs2<- MIG-14_Wnt-bd ->  XopE1 0 ((3.6e+03)*(3.6e+03))
AvrBs2<- Ubiq_cyt_C_chap ->  XopE1 0 ((7.6e+02)*(1.8e+03))
AvrBs2<- UPF0302 ->  XopE1 0 ((40)*(5.2e+02))
XopX<- Zw10 ->  XopJ1 0.0218487394957983 ((1.6e+02)*(7e+02))
XopX<- Zw10 ->  XopJ2 0.019327731092437 ((1.6e+02)*(1.7e+03))

saddy <at> lapsdy:~$ sort -k6n test.txt
AvrBs2<- MIG-14_Wnt-bd ->  XopE1 0 ((3.6e+03)*(3.6e+03))
AvrBs2<- Ubiq_cyt_C_chap ->  XopE1 0 ((7.6e+02)*(1.8e+03))
AvrBs2<- UPF0302 ->  XopE1 0 ((40)*(5.2e+02))
AvrBs1<- Calc_CGRP_IAPP ->  XopH 0.1 ((2.6e+02)*(4.2e+02))
XopX<- Zw10 ->  XopJ2 0.019327731092437 ((1.6e+02)*(1.7e+03))
AvrBs1<- 3H ->  XopJ4 0.153061224489796 ((3.4e+02)*(25))
XopX<- Zw10 ->  XopJ1 0.0218487394957983 ((1.6e+02)*(7e+02))
AvrBs2<- DUF3248 ->  XopE1 0.0476190476190476 ((7.6e+02)*(5.7e+02))
AvrBs2<- Fer2 ->  XopE1 0.0844155844155844 ((1.1e+03)*(1.1e+03))

saddy <at> lapsdy:~$ sort -k6 test.txt
XopX<- Zw10 ->  XopJ2 0.019327731092437 ((1.6e+02)*(1.7e+03))
XopX<- Zw10 ->  XopJ1 0.0218487394957983 ((1.6e+02)*(7e+02))
AvrBs2<- DUF3248 ->  XopE1 0.0476190476190476 ((7.6e+02)*(5.7e+02))
AvrBs2<- Fer2 ->  XopE1 0.0844155844155844 ((1.1e+03)*(1.1e+03))
AvrBs1<- Calc_CGRP_IAPP ->  XopH 0.1 ((2.6e+02)*(4.2e+02))
AvrBs1<- 3H ->  XopJ4 0.153061224489796 ((3.4e+02)*(25))
AvrBs2<- MIG-14_Wnt-bd ->  XopE1 0 ((3.6e+03)*(3.6e+03))
AvrBs2<- UPF0302 ->  XopE1 0 ((40)*(5.2e+02))
AvrBs2<- Ubiq_cyt_C_chap ->  XopE1 0 ((7.6e+02)*(1.8e+03))


Best regards

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