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bug#49716: no -print0 for ls?

From: Paul Eggert
Subject: bug#49716: no -print0 for ls?
Date: Tue, 27 Jul 2021 18:14:31 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 7/26/21 8:00 AM, Pádraig Brady wrote:

So I'd have a slight preference for --zero.

Also what about having --zero imply:
   --quoting-style=literal --show-control-chars --format=single-column
That seems like a fine shortcut given that would be correct in the vast majority of cases,
and that the need for the above may not be obvious to users.

Also a small point; should --dired disable --null as it may then be non parseable?

Thanks, all good suggestions. For --dired vs --zero I thought it better simply to prohibit the combination since neither should be in 'ls' shell aliases, and prohibiting means we can add it later if we like. I installed the attached patches to do this (plus the other stuff I mentioned in my reply to Berny).

The first patch is a cleanup because I had a bit of trouble following the forest of 'if's inside of ls.c's decode_switches function and I thought it better to avoid unnecessary syscalls while I was at it.

The second patch does the real work.

Attachment: 0001-ls-compute-defaults-more-lazily.patch
Description: Text Data

Attachment: 0002-ls-rename-null-to-zero-Bug-49716.patch
Description: Text Data

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