Hi, I have discovered that `column` utility behaves oddly when piped to another command, as shown on examples 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 | nl 1 _ __ ___ ________ __________ ________ 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