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| From | Jim Janney <jjanney@shell.xmission.com> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Parse a text file and match more than one line |
| Date | Mon, 02 Apr 2012 20:57:45 -0600 |
| Organization | thinking of Maud you forget everything else |
| Lines | 49 |
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Jim Janney <jjanney@shell.xmission.com> writes: > mike <mikaelpetterson@hotmail.com> writes: > >> Hi, >> >> I am trying to figure out how to use regexp in java to match this >> pattern: >> >> >> compile: >> [javac] Compiling 933 source files to /tmp/gdduser/classes >> >> dft.properties: >> >> So I want to make sure I have: >> >> compile: >> [javac] Compiling 933 source files to /tmp/gdduser/classes >> <<nothing on this line>> >> >> How can I use java to apply it? It will be something like, when >> "compile:" is found check that there is a [javac] Compiling .... on >> next line . If there is then I need to check if there is an empty >> line. If all conditions are fullfilled then I can I know that my build >> step is completed and I have a full match. >> >> Any ideas? >> >> br, >> >> //mike > > If the file is not too large, you can read it all into a single string > and apply a regexp to that. Or... A matcher needs a CharSequence, not a string, and you can build a CharSequence from a ByteBuffer, and you can map a ByteBuffer directly to a file. Put it all together and you get something like this: http://www.java2s.com/Code/Java/File-Input-Output/ApplyingRegularExpressionsontheContentsofaFile.htm I'd guess this could be horribly expensive for some kinds of patterns. -- Jim Janney
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Parse a text file and match more than one line mike <mikaelpetterson@hotmail.com> - 2012-04-02 04:36 -0700
Re: Parse a text file and match more than one line Knute Johnson <nospam@knutejohnson.com> - 2012-04-02 14:43 -0700
Re: Parse a text file and match more than one line Martin Gregorie <martin@address-in-sig.invalid> - 2012-04-02 22:09 +0000
Re: Parse a text file and match more than one line Jim Janney <jjanney@shell.xmission.com> - 2012-04-02 16:50 -0600
Re: Parse a text file and match more than one line Jim Janney <jjanney@shell.xmission.com> - 2012-04-02 20:57 -0600
Re: Parse a text file and match more than one line Roedy Green <see_website@mindprod.com.invalid> - 2012-04-02 15:53 -0700
Re: Parse a text file and match more than one line Arne Vajhøj <arne@vajhoej.dk> - 2012-04-02 20:08 -0400
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