[Scons-users] Builder to perform string substitution on source contents to produce a target file?

[Kyle J Strand]

I don't think (but couldn't say for sure) that there's a standard builder 
for that, but it should be easy enough to do what you need to do in 
straight Python without using builders at all, as shown in this page of 
the user manual: 
http://scons.org/doc/production/HTML/scons-user/x1302.html 

If you're compiling C or C++ code, you can use the CPPDEFINES environment 
variable to define macro-substitutions at compile time. If not, it appears 
that you can explicitly call the M4 preprocessor with the env.M4() command 
(assuming you have it on your system; if not, I'm sure there are other 
alternatives). Try doing a find on "env.m4()" in the man page: 
http://scons.org/doc/production/HTML/scons-man.html 

-----------------------------------------------------------------------
Kyle Strand, Software Intern
Beckman Coulter, Inc., Life Sciences Division
4862 Innovation Drive, Fort Collins, Colorado, 80525
(970) 204-7036



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06/17/2012 09:50 PM
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[Scons-users] Builder to perform string substitution on source  contents 
to produce a target file?






QUESTION:

Is there was a standard builder for doing string-replacement processing 
between input and output files?

BACKGROUND:

I have written a builder that reads in a source file, performs a series 
global string substitutions on the file just read (as defined by a 
dictionary defined in the environment), and writes the result to the 
specified target file.  I use this during software packaging to replace 
the string pattern "__VERSION__" in each of my source files with the 
actual software version (which I pull out of my bzr source code control 
system).  I also use it to inject projectName, version, and output 
directory settings into a doxygen configuration file (which is 
subsequently used to produce software docs).  This seems useful enough 
that I thought it might already exist.

Thanks much!
Matt

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