Package: coreutils Version: 9.1-1 Version: 9.4-3 Severity: normal Dear Maintainer,
Given
$ cat f1
row1 f1 1
urow1 f1 2
$ cat f2
row1 f2 1
urow2 f2 2
and join(1)
-a FILENUM
also print unpairable lines from file FILENUM, where FILENUM is 1
or 2, corresponding to FILE1 or FILE2
-v FILENUM
like -a FILENUM, but suppress joined output lines
and POSIX.1-202x/D3, XCU, join
100437 SYNOPSIS
100438 join [-a file_number|-v file_number] [-e string] [-o
list] [-t char]
100439 [-1 field] [-2 field] file1 file2
100460 OPTIONS
100463 −a file_number
100464 Produce a line for each unpairable line in file
file_number, where file_number is 1 or
100465 2, in addition to the default output. If both −a1 and
−a2 are specified, all unpairable
100466 lines shall be output.
100482 −v file_number
100483 Instead of the default output, produce a line only for
each unpairable line in
100484 file_number, where file_number is 1 or 2. If both −v1
and −v2 are specified, all
100485 unpairable lines shall be output.
we observe:
$ join f?
row1 f1 1 f2 1
$ join -v1 f?
urow1 f1 2
$ join -v1 -a1 f?
urow1 f1 2
$ join -v1 -a2 f?
urow1 f1 2
urow2 f2 2
This does not conform to POSIX (should be refused);
the manual implies some sort of separate accounting for -a and -v
(and the interaxion is not described at all),
but -v 1 appears to just be -v -a1. Why?
Best,
наб
-- System Information:
Debian Release: 12.4
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Versions of packages coreutils depends on:
ii libacl1 2.3.1-3
ii libattr1 1:2.5.1-4
ii libc6 2.36-9+deb12u4
ii libgmp10 2:6.2.1+dfsg1-1.1
ii libselinux1 3.4-1+b6
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