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Re: du, wc --files-from roundup


From: Jim Meyering
Subject: Re: du, wc --files-from roundup
Date: Sat, 15 Nov 2003 08:18:47 +0100

Dennis Smit <address@hidden> wrote:
> previous week we were discussing the du, wc --files-from options
> which didn't lead to much result. However I've got the FSF
> license post on it's way so i would love to put some work
> in this.
>
> I'am still in favor for Pauls idea to have a --files-from=NAME and
> a --null option were --files-from reads newline terminated and
> --null added makes it read NULL terminated, however if for some
> reason --files-from=NAME that reads NULL terminated without the
> --null option is prefered it's naturally ok with me.

And I'm still reluctant to allow --files-from without --null.
It's too easy for people to forget that a single file with
a name containing a newline can cause that not to work.

Note that this option is *not* intended or even necessary for most
cases where people would be saving a list of inputs to a file and
reading or editing it.  If you have such a list that is so long that
you can't put the names on a single `du' command line, then (assuming
no file name contains a newline) just pipe the list through e.g.,

  cat YOUR_LIST | tr '\n' '\0' | du --null --files-from -

There is also the question of what to name the option that
selects NUL-terminated *output* lines.
Suggestions welcome.

> Also, Jim did you have a look at my df -c --total patch ? is
> it alright and can it be included when i signed the FSF
> papers ?

I've just replied.




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