Need help with RegExp

theichens · 02-09-2013, 02:12 AM

Hello,

i have the following problem:
My filename looks like that: Wilhelm, Jan--Das Haus_Steinstrasse.epub
Now when i import this file into calibre, i use the regexpression:
(?P<author>.+?)--(?P<title>.+)
The following occurs:
Author: Wilhelm, Jan
Title: Das Haus Steinstrasse <-- the underscore is lost

How do i have to change the regexpr to get the title as given in the
filename "Das Haus_Steinstrasse" ?

Thank you very much for your help.

Adoby · 02-09-2013, 08:40 AM

I don't think that is possible. Calibre intentionally change underscores to spaces. There was even a special enhancement applied for that once...

http://oldbugs.calibre-ebook.com/ticket/4272

Typically special characters like +- and so on are not allowed in the filenames. They are replaced with an underscore. So you will have to edit the filename manually.

Also, I am pretty sure that the actual title of the book doesn't include an underscore? Searches for metadata to dowhnload would be more likely to fail with the underscore present.

Another alternative may be to try to add the book and read the metadata from inside the book instead. That way you may even get the correct character that was replaced by the underscore.

02-09-2013, 02:12 AM	#1
theichens Junior Member Posts: 1 Karma: 10 Join Date: Feb 2013 Device: Odys Touch	Need help with RegExp Hello, i have the following problem: My filename looks like that: Wilhelm, Jan--Das Haus_Steinstrasse.epub Now when i import this file into calibre, i use the regexpression: (?P<author>.+?)--(?P<title>.+) The following occurs: Author: Wilhelm, Jan Title: Das Haus Steinstrasse <-- the underscore is lost How do i have to change the regexpr to get the title as given in the filename "Das Haus_Steinstrasse" ? Thank you very much for your help.

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02-09-2013, 08:40 AM	#2
Adoby Handy Elephant Posts: 1,736 Karma: 26785668 Join Date: Dec 2009 Location: Southern Sweden, far out in the quiet woods Device: Thinkpad E595, Ubuntu Mate, Huawei Mediapad 5, Bouye Likebook Plus	I don't think that is possible. Calibre intentionally change underscores to spaces. There was even a special enhancement applied for that once... http://oldbugs.calibre-ebook.com/ticket/4272 Typically special characters like +- and so on are not allowed in the filenames. They are replaced with an underscore. So you will have to edit the filename manually. Also, I am pretty sure that the actual title of the book doesn't include an underscore? Searches for metadata to dowhnload would be more likely to fail with the underscore present. Another alternative may be to try to add the book and read the metadata from inside the book instead. That way you may even get the correct character that was replaced by the underscore.

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