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Re: Error converting from 1.4.4.1 to 1.5.0?

From
Linus Torvalds <torvalds@linux-foundation.org>
Date
Feb 14, 2007, 23:24 UTC
Message-ID
<Pine.LNX.4.64.0702141516120.20368@woody.linux-foundation.org>
In-Reply-To
<Pine.LNX.4.64.0702141722410.1757@xanadu.home>
On Wed, 14 Feb 2007, Nicolas Pitre wrote:
> 
> But...... your pack file is read-only, isn't it?

Almost any "edit in place" operation under UNIX is invariably a question of "read old file + write new file + mv new old".

As such, to be read-only for a lot of programs, you actually need to not just make the *file* read-only, you need to make the *directory* read-only too.

Or you need to use only tools that explicitly check (a lot of editors will do that, for example, because in an RCS world you're supposed to do magic things to actually edit a file).

So I'm not at all surprised that "-pi" (where the "i" stands for "in-place") will overwrite read-only files.

I'm sure there is some random character that makes perl check, and not do it. Probably a sequence of unusual characters that makes it look like a swear-word.

Maybe "perl -pi -%££@$" will do it. And if not, just add random characters until it works. "It's the perl way".

	Linus "Yeah, I never really got the 'perl way'" Torvalds
Previous: Mark WoodingNext: Linus Torvalds
Message 29 of 39 in “Error converting from 1.4.4.1 to 1.5.0?”
  1. Bill LearFeb 14, 2007
  2. Bill LearFeb 14, 2007
  3. Junio C HamanoFeb 14, 2007
  4. Bill LearFeb 14, 2007
  5. Junio C HamanoFeb 14, 2007
  6. Bill LearFeb 14, 2007
  7. Bill LearFeb 14, 2007
  8. Linus TorvaldsFeb 14, 2007
  9. Bill LearFeb 14, 2007
  10. Junio C HamanoFeb 14, 2007
  11. Junio C HamanoFeb 14, 2007
  12. Johannes SchindelinFeb 14, 2007
  13. Junio C HamanoFeb 14, 2007
  14. Johannes SchindelinFeb 14, 2007
  15. Jakub NarebskiFeb 15, 2007
  16. Olivier GalibertFeb 15, 2007
  17. Johannes SchindelinFeb 15, 2007
  18. Johannes SchindelinFeb 14, 2007
  19. Nicolas PitreFeb 14, 2007
  20. Bill LearFeb 14, 2007
  21. OT: data destruction classics (was: Re: Error converting from 1.4.4.1 to 1.5.0?)Simon 'corecode' Schubert, Feb 15, 2007
  22. Shawn O. PearceFeb 15, 2007
  23. Linus TorvaldsFeb 15, 2007
  24. Johannes SchindelinFeb 15, 2007
  25. Michael K. EdwardsFeb 15, 2007
  26. Bill LearFeb 15, 2007
  27. Andy ParkinsFeb 15, 2007
  28. Mark WoodingFeb 15, 2007
  29. Linus TorvaldsFeb 14, 2007
  30. Linus TorvaldsFeb 14, 2007
  31. Uwe Kleine-KönigFeb 15, 2007
  32. Junio C HamanoFeb 14, 2007
  33. Bill LearFeb 14, 2007
  34. Nicolas PitreFeb 14, 2007
  35. Junio C HamanoFeb 14, 2007
  36. Linus TorvaldsFeb 14, 2007
  37. Linus TorvaldsFeb 14, 2007
  38. Bill LearFeb 14, 2007
  39. Linus TorvaldsFeb 14, 2007

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