Re: reverting changes to svn-base files

Jonathan Manning wrote:

> perl -pi -e 's/string1/string2/' *
>
> All files changed, despite being read-only.

Inplace edits work something like this:

        1) copy source file to new temporary name
        2) edit temporary file
        3) rename temp file to original filename

Step #1 makes the new file writeable; step #3 succeeds because that depends on
the containing directory rights, not the file protections on the original file.
  You can confirm this by using "-i.bak" and seeing that the .bak files are
still marked as readonly.

HTH

John

-- 
John Peacock
Director of Information Research and Technology
Rowman & Littlefield Publishing Group
4501 Forbes Boulevard
Suite H
Lanham, MD  20706
301-459-3366 x.5010
fax 301-429-5748
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