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bug#30430: [column] accounting for ansi color codes

From: Pádraig Brady
Subject: bug#30430: [column] accounting for ansi color codes
Date: Sat, 17 Feb 2018 13:33:48 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 11/02/18 22:07, Boruch Baum wrote:
> The `column -t' command doesn't align input properly when that input
> includes ansi color codes.
> An argument that it should do so, is that `column' serves to make input
> more readable, and easier to find and compare fields of input data - the
> same goal as colorization.
> I encountered this when trying to columnate log output that had been fed
> through the colorization program `ccze'.
> Example: Compare the output of the following two one-liners:
>  awk '{sub("install|configure|upgrade|trigproc","& _",$3);print}' \
>  /var/log/dpkg.log | column -t
>  awk '{sub("install|configure|upgrade|trigproc","& _",$3);print}' \
>  /var/log/dpkg.log | ccze -m ansi -o noscroll >&1 | column -t

Note column(1) is part of the util-linux project.
We've similar considerations though with wc -L
which we've at least mentioned at:

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