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From: "Zangune" <Zangune@Example.Com>
Newsgroups: alt.comp.lang.shell.unix.bourne-bash
Subject: Re: tr squeeze repeats does not remove multiple spaces coming from a piped du command
Date: Thu, 4 Oct 2018 01:44:19 +0200
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Xref: csiph.com alt.comp.lang.shell.unix.bourne-bash:238

"Michael F. Stemper" wrote

> du -c dtd | sed 's/\t/tab/g'
> 84tabdtd
> 84tabtotal

Thanks, I can confirm that a sed substitution shows me that there is a 
single "tab" between the last number and the "total" word.
Indeed, if I leftclick on a terminal just after the last number and I 
highlight what I can find between the numbers and the "total" word, the 
highlight "trace" shows me four spaces; more than this, the highlighted 
characters are automatically copied and, when pasted, they appear as 
four spaces. That fooled me, but I guess this behaviour of the program I 
use for terminal emulation is intentional, I have to investigate about 
that.
Regards.