RE: Skip lines with transformLine

> -----Original Message-----
> From: Tom Corcoran [mailto:boardtc@...]
> Sent: Wednesday, August 27, 2008 6:33 PM
> To: user@...
> Subject: [groovy-user] Skip lines with transformLine
>
>
> I am wondering if there any way I am missing of skipping
> lines when using
> transformLine?
>
> The last line in the closure is the line value written.
> Looking at a SSCCE,
> we have file1.txt with 4 lines:
>
> line1
> line2
> line11
> line22
>
> I want to produce the file2.txt with 2 lines:
>
> line1
> line11
>
> import java.util.regex.Matcher
> import java.io.Reader
> import java.io.Writer
>
> def file1 = /C:\Workspace\Test\file1.txt/
> def file2 = /C:\Workspace\Test\file2.txt/
> def writeLine
> FileWriter writeFile = new FileWriter(file2)
>                 new
> FileReader(file1).transformLine(writeFile) { line ->
>                     Matcher m1 = line =~ /line1\d*/
>                     writeLine = ''
>                     if (m1.matches()) {
>                          writeLine = line                  
>                     }
>                     writeLine
>                 }
>
> will give:
>
> line1
> <blank line>
> line11
> <blank line>
>
> I could then reprocess the field to remove blank lines, but
> it would be
> great if there was a way of skipping lines with transformLine.
> --
> View this message in context:
> http://www.nabble.com/Skip-lines-with-transformLine-tp19184756
> p19184756.html
> Sent from the groovy - user mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe from this list, please visit:
>
>     http://xircles.codehaus.org/manage_email
>
>
>