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From Chris Shabsin <...@MIT.EDU>
Subject filter loops in 1.6.2
Date Thu, 13 Jan 2005 15:00:41 GMT
In versions of Ant prior to 1.6.2 it was possible to use filters to 
modify a token found in a file.  For example:

<filterset begintoken="/" endtoken="/">
  <filter token="etc" value="/local/etc/"/>
</filterset>

In 1.6.2, the fixed bugs list includes the entry:

    * replacestring tokenfilter only replaced the first occurrence.

And, lo and behold, attempting to run this filter in 1.6.2 now gives:

[copy] Infinite loop in tokens. Currently known tokens : [etc]

Would it be possible to make the filtering continue after the last 
replacement, rather than start over at the beginning of the line, to 
make such a replacement possible again?  It seems pretty clear that no 
one would ever intend to create an infinite loop of token replacements, 
so ignoring occurrences of the token within the replacement text from 
the filter should be safe.

Sorry if this has been covered before, but I did a couple searches on 
the archives and found no other mention of this question since 1.6.2 
came out.

-Chris Shabsin


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