12-30-2010, 11:37 AM | #1 |
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Search & Replace Suggestion
I had a suggestion for a future update regarding the search and replace function.
Here is the scenario I am considering. Often when I import books the isbn shows up as the title. It would be nice if in the search & replace page you could have a way to replace one field with another. Sounds simple enough. |
12-30-2010, 12:28 PM | #2 |
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You already can do this, but only in regular expression mode. See the attached screen shot.
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12-31-2010, 07:31 AM | #3 |
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Ah! Great. I didn't notice that option.
Thanks. Perhaps you can tell me if there is an easy way to edit the string being matched. I know there are a large number of expressions - but is there one that can concatenate a string - say removing the last four characters - or that can take only x number of characters from the left (or right)? Appreciate your help. |
12-31-2010, 07:34 AM | #4 |
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Following up
I know that I can, for example, do this from the left.
If I put in the expression [10] I get the ten characters from the left. Is there a way to do the opposite - get the ten characters from the right? |
12-31-2010, 07:49 AM | #5 |
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I take that back on the [10] - misunderstood the output.
But I have been successful in finding some ways to accomplish my goal. Still it would be good to know if I could concatenate a string or if I could take only x number of characters from left or right. |
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12-31-2010, 08:17 AM | #6 |
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S/R has both the template language and full regular expressions available, so there is very little you cannot do. See http://calibre-ebook.com/user_manual/template_lang.html and http://calibre-ebook.com/user_manual/regexp.html.
From your example you appear to be using the template language. To get the first 10 characters of a field, use {field:shorten(10,,0)}. To get the last 10, use {field:shorten(0,,10)}. The shorten function (and several others) is documented in the manual referred to above. Note that you can also grab the first up-to-ten characters using a regexp. The search expression would be Code:
(.{1,10}).* Code:
\1 |
12-31-2010, 11:55 AM | #7 |
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Thanks so much. Really helps.
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Tags |
fields, modification, search and replace, update |
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