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Posted to user@ant.apache.org by neo anderson <ja...@yahoo.co.uk> on 2008/03/11 16:13:00 UTC
using RE with newline problem
I use ant script to load a file similar to build.properties. (its format
looks like 'key = value')
One of its value looks like key = 'value' (value surrounded with the single
quotes)
So I use filterchain to get rid of it, code snippet as follow:
<loadfile srcfile="file.txt" property="temp.param">
<filterchain>
<linecontains>
<contains value="key = "/>
</linecontains>
<tokenfilter>
<stringtokenizer delims="="/>
<replaceregex pattern="('{1})" replace=""/>
<replaceregex pattern="('{1})" replace=""/>
<replaceregex pattern="key" replace=""/>
<replaceregex pattern="${line.separator}"
replac
e="" /><!-- newly added line to eliminate new line or CR -->
</tokenfilter>
<tokenfilter>
<replacestring from="=" to=""/>
</tokenfilter>
<trim/>
</filterchain>
</loadfile>
However, after sending parameter to the ant task it fails. Then I discover
the value of temp.param contain the newline (or carriage return). The output
using '<echo message="[${temp.param}]"/>' is as follow:
[echo] [value
[echo] ]
The value I expect is [value] not [value\n].
I try to use '<replaceregex pattern="${line.separator}" replace="" />', but
it does not work at all.
What should I do in order to get rid of it.
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