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Groups > comp.sys.acorn.programmer > #6232

Re: file list order OS_GBPB

From Bob Latham <bob@sick-of-spam.invalid>
Subject Re: file list order OS_GBPB
Newsgroups comp.sys.acorn.programmer
Message-ID <58e77f57e4bob@sick-of-spam.invalid> (permalink)
References <58e77aed9dbob@sick-of-spam.invalid> <58e77cf42dUCEbin@tiscali.co.uk>
Organization None
Date 2020-12-31 13:27 +0000

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In article <58e77cf42dUCEbin@tiscali.co.uk>,
   John Williams (News) <UCEbin@tiscali.co.uk> wrote:
> In article <58e77aed9dbob@sick-of-spam.invalid>,
>    Bob Latham <bob@sick-of-spam.invalid> wrote:

> > I'm writing a routine to scan the text files in a directory and
> > make some small changes. What I would like to know is, what file
> > operations will change the order the files are presented as in R4
> > such that I need to scan again from R4=0 to avoid missing a file.

> For this sort of thing I normally use EnumDir to give me a list of
> filenames to operate with.  It has the advantage of creating a list
> the order of which is then irrelevant!  Also its pattern-matching
> option can be helpful.

EnumDir, I've never ever used that or even looked at it.

I'll give that a read/look.

> > I am changing the file name, by adding /txt, changing the line
> > endings from  LF to CR-LF and finally restoring the time stamp.

> > Or will none of that change the order?

> I don't see why it should.

> But having a list to work with avoids such a possibility. 

It does indeed.

> This
> could also be used to create a Wipe list so that you are
> effectively modifying to a copy (as you're adding an extension),
> saving the final wipe until all has been well-proven to be the
> result you expected - another handy possibility/advantage of the
> list method!

> You only need to action the "Wipe" in the finished version after
> extensive testing!

I get what you're saying, I'll have a think about that thanks.

Cheers,

Bob.

> Best wishes, 
>  
> John

-- 
Bob Latham
Stourbridge, West Midlands

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Thread

file list order OS_GBPB Bob Latham <bob@sick-of-spam.invalid> - 2020-12-31 12:39 +0000
  Re: file list order OS_GBPB Gerald Holdsworth <nospam@hollypops.co.uk> - 2020-12-31 13:00 +0000
    Re: file list order OS_GBPB Bob Latham <bob@sick-of-spam.invalid> - 2020-12-31 13:15 +0000
  Re: file list order OS_GBPB "John Williams (News)" <UCEbin@tiscali.co.uk> - 2020-12-31 13:01 +0000
    Re: file list order OS_GBPB Bob Latham <bob@sick-of-spam.invalid> - 2020-12-31 13:27 +0000
  Re: file list order OS_GBPB Martin <News03@avisoft.f9.co.uk> - 2020-12-31 13:41 +0000
    Re: file list order OS_GBPB Bob Latham <bob@sick-of-spam.invalid> - 2020-12-31 14:26 +0000
  Re: file list order OS_GBPB druck <news@druck.org.uk> - 2020-12-31 13:42 +0000
    Re: file list order OS_GBPB Bob Latham <bob@sick-of-spam.invalid> - 2020-12-31 14:28 +0000

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