Import book issue

JulioQc · 05-02-2012, 01:34 PM

Hello,

I'm having issues with adding books properly with regular expressions.

Heres the filename: Lee Earle - Syzygy - The First Five Volumes.pdf
Heres the regular expression: (?P<author>.+) - (?P<title>.+)

Author should be "Lee Earle"
and title "Syzygy - The First Five Volumes"

Issue is Calibre sees author as "Lee Earle - Syzygy" and title as "The First Five Volumes" .... im having that issue with most of my files with two "-" (hyphen) in their filename.

What am I doing wrong?

Thanks

PeterT · 05-02-2012, 03:42 PM

(?P<author>[^-].+) - (?P<title>.+) should work

This changes the author search to look for a sequence of any characters that are not -'s.

I think there are other approaches that should word as well (look for a discussion on Greedy / Lazy pattern matching).

kiwidude · 05-02-2012, 04:21 PM

I would just make your author expression non greedy in case you have a hyphenated author which would fail with PeterT's expression. Just involves adding one character...
i.e. (?P<author>.+?) - (?P<title>.+)

PeterT · 05-02-2012, 06:41 PM

LOL... I just wasn't fully sure on the non greedy....

JulioQc · 05-03-2012, 01:10 PM

(?P<author>[^-]+) - (?P<title>.+)

Worked like a charm!

Thanks for the help

05-02-2012, 01:34 PM	#1
JulioQc Junior Member Posts: 4 Karma: 10 Join Date: May 2012 Device: exPDF	Import book issue Hello, I'm having issues with adding books properly with regular expressions. Heres the filename: Lee Earle - Syzygy - The First Five Volumes.pdf Heres the regular expression: (?P<author>.+) - (?P<title>.+) Author should be "Lee Earle" and title "Syzygy - The First Five Volumes" Issue is Calibre sees author as "Lee Earle - Syzygy" and title as "The First Five Volumes" .... im having that issue with most of my files with two "-" (hyphen) in their filename. What am I doing wrong? Thanks

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05-02-2012, 03:42 PM	#2
PeterT Grand Sorcerer Posts: 12,160 Karma: 73448616 Join Date: Nov 2007 Location: Toronto Device: Nexus 7, Clara, Touch, Tolino EPOS	(?P<author>[^-].+) - (?P<title>.+) should work This changes the author search to look for a sequence of any characters that are not -'s. I think there are other approaches that should word as well (look for a discussion on Greedy / Lazy pattern matching).

05-02-2012, 04:21 PM	#3
kiwidude Calibre Plugins Developer Posts: 4,636 Karma: 2162064 Join Date: Oct 2010 Location: Australia Device: Kindle Oasis	I would just make your author expression non greedy in case you have a hyphenated author which would fail with PeterT's expression. Just involves adding one character... i.e. (?P<author>.+?) - (?P<title>.+)

05-02-2012, 06:41 PM	#4
PeterT Grand Sorcerer Posts: 12,160 Karma: 73448616 Join Date: Nov 2007 Location: Toronto Device: Nexus 7, Clara, Touch, Tolino EPOS	LOL... I just wasn't fully sure on the non greedy....

05-03-2012, 01:10 PM	#5
JulioQc Junior Member Posts: 4 Karma: 10 Join Date: May 2012 Device: exPDF	(?P<author>[^-]+) - (?P<title>.+) Worked like a charm! Thanks for the help

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