Don't use ${ } inside an existing expression. You use it once to say
this in an expression.. from there Nant knows how to find the keywords,
etc
So instead of <if test="${not
file::exists(${version-info-script})}">
Use <if test="${not file::exists('version-info-script')}">
Assuming 'version-info-script' is the name of the file you are looking
for. Strings put in ' ' , function names and property names just put in
directly.
See this for some tips on this very point
http://coreplex.blogspot.com/2008/10/nant-tips-and-tricks-part-4-nant.ht
ml
-----Original Message-----
From: Nathan Franzen [mailto:nfran...@gmail.com]
Sent: Tuesday, April 07, 2009 2:26 PM
To: nant-users@lists.sourceforge.net
Subject: [NAnt-users] properties in functions
I'm coming to NAnt from an ant background, but I'm trying to adapt.
The documentation for
<available/>
says that it's deprecated & recommends using functions instead.
I prefer to parameterize as much as possible, so I wrote
<if test="${not file::exists(${version-info-script})}">
<fail message="version script ${version-info-script} not
available" />
</if>
NAnt doesn't like this much:
Unexpected token 'Dollar'.
Expression: ${not file::exists(${version-info-script})}
I guess I am forced me to code the file name itself inside the
function call. Is there another way? Doing conditionals in ant is
ugly in a different way, admittedly.
-Nate
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