10-03-2005
Misunderstanding of sort behavior
Hi everyone,
I use the sort from the 5.3.0 coreutils package. I have a file consisting in 5 fields
separated by a single space, with no leading or trailing blanks.
I want to sort it first according to the 4th field, which contains integers
(some of them negative), and secondly on the second field, which is a string
(i.e. if two lines have the same value for the 4th field I want them sorted according
to the second field).
After reading the man page and the info page I came up with
sort sort -k 4,4n -k 2,2 correspondance_tmp
(where correspondance_tmp is my file), but this seems not to work because
when I ask it to check if the result is sorted according to the 4th field it says
no. So I think I must not know how to specify the fields properly.
Here is a short extract from my working session:
$ sort -k 4,4n -k 2,2 correspondance_tmp > correspondance
$ sort -c -k4,4n correspondance
sort: correspondance:37: disorder: . 0-00.com 1 -1 43
$ cat correspondance | awk '{print $4}' | sort -cn
$
This last check of sortedness exists without error, which means the
corresponding file is correctly sorted.
The line about which sorts complains in file correspondance is in
a large group of lines all having -1 for 4th field, so it seems to be
correctly placed.
All my locales are set to "C".
If anyone has any advice I'd greatly appreciate.
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LEARN ABOUT NETBSD
wrap-and-sort
WRAP-AND-SORT(1) General Commands Manual WRAP-AND-SORT(1)
NAME
wrap-and-sort - wrap long lines and sort items in Debian packaging files
SYNOPSIS
wrap-and-sort [options]
DESCRIPTION
wrap-and-sort wraps the package lists in Debian control files. By default the lists will only split into multiple lines if the entries are
longer than 80 characters. wrap-and-sort sorts the package lists in Debian control files and all .install files. Beside that wrap-and-sort
removes trailing spaces in these files.
This script should be run in the root of a Debian package tree. It searches for control, control.in, copyright, copyright.in, install, and
*.install in the debian directory.
OPTIONS
-h, --help
Show this help message and exit.
-a, --wrap-always
Wrap all package lists in the Debian control file even if the entries are shorter than 80 characters and could fit in one line line.
-s, --short-indent
Only indent wrapped lines by one space (default is in-line with the field name).
-b, --sort-binary-packages
Sort binary package paragraphs by name.
-k, --keep-first
When sorting binary package paragraphs, leave the first one at the top. Unqualified debhelper(7) configuration files are applied to
the first package.
-n, --no-cleanup
Do not remove trailing whitespaces.
-d path, --debian-directory=path
Location of the debian directory (default: ./debian).
-f file, --file=file
Wrap and sort only the specified file. You can specify this parameter multiple times. All supported files will be processed if no
files are specified.
-v, --verbose
Print all files that are touched.
AUTHORS
wrap-and-sort and this manpage have been written by Benjamin Drung <bdrung@debian.org>.
Both are released under the ISC license.
DEBIAN
Debian Utilities WRAP-AND-SORT(1)