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bug#67626: column with -t and piped extends a single line file into mult
From: |
Remigiusz Suwalski |
Subject: |
bug#67626: column with -t and piped extends a single line file into multiple lines |
Date: |
Mon, 04 Dec 2023 16:43:53 +0000 |
Hi,
today I have discovered accidentally that column utility behaves oddly when
piped to another command, as shown on example below. I am not sure whether this
is a bug or intended behaviour.
First "column" built from sources (commit
https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=94feb5a20d23904cc15cd857c4e00f35f495116c):
$ echo '_ __ ___ ________ __________ ________' | ./column -t | nl # strange
1 __
2 ___
3 ___
4 _________
5 __________
6 _______
$ echo '_ __ ___ ________ __________ ________' | ./column -t > file.txt # the
same issue as above
$ echo '_ __ ___ ________ __________ ________' | ./column -t # expected
_ __ ___ ________ __________ ________
A workaround that works sometimes (on this and some other but not all inputs)
is to pass -c 0 option:
$ echo '_ __ ___ ________ __________ ________' | ./column -t -c 0 | nl #
expected
1 _ __ ___ ________ __________ ________
Separate binary built from parent commit
3949a48dd1351cea7c523fe97666190359247630 behaves well:
$ echo '_ __ ___ ________ __________ ________' | ./column -t | nl1 _ __ ___
________ __________ ________
If it matters, the output of "tput cols" command is 252, operating system is
Ubuntu 22.04.3 and my locale is as follows:
LANG=C.UTF-8
LANGUAGE=
LC_CTYPE="C.UTF-8"
LC_NUMERIC="C.UTF-8"
LC_TIME="C.UTF-8"
LC_COLLATE="C.UTF-8"
LC_MONETARY="C.UTF-8"
LC_MESSAGES="C.UTF-8"
LC_PAPER="C.UTF-8"
LC_NAME="C.UTF-8"
LC_ADDRESS="C.UTF-8"
LC_TELEPHONE="C.UTF-8"
LC_MEASUREMENT="C.UTF-8"
LC_IDENTIFICATION="C.UTF-8"LC_ALL=
Best regards,
Leon Suwalski
- bug#67626: column with -t and piped extends a single line file into multiple lines,
Remigiusz Suwalski <=