bugGNU Wget - Bugs: bug #40524, error determining the proper...


bug #40524: error determining the proper filename when saving a remote file

Submitted by:  None
Submitted on:  Fri 08 Nov 2013 10:57:45 PM UTC  
Category:  Localization Severity:  3 - Normal
Priority:  5 - Normal Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  aeb Originator Email:  -email is unavailable-
Open/Closed:  Open Release:  1.13.4
Operating System:  GNU/Linux Reproducibility:  Every Time
Fixed Release:  None Planned Release:  None
Regression:  None Work Required:  None
Patch Included:  None

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Fri 08 Nov 2013 10:57:45 PM UTC, original submission:

If one uses wget to download from a UTF-8 site to a UTF-8 site then wget by default mangles filenames to produce gibberish instead of the proper filenames. One can approximate the desired effect by giving the --restrict-file-names=nocontrol option.
Of course it is a bug that wget by default produces corrupt output.

The docs say that by default 0-31 and 128-159 are escaped on a Unix system. If one is on a UTF-8 Unix system, then the former (escaping 0-31) is not unreasonable: these bytes function under UTF-8 just like they do under ASCII. And the "nocontrol" option is suitable to suppress such escapes. But the bytes 128-159, which are control characters in some character sets, have an entirely different function under UTF-8, They are part of ordinary characters, and it is a really bad bug to destroy these characters.

So, wget should see whether the local system is UTF-8, and if so omit the escaping of bytes 128-159.



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