software release methodology

[Stephen Adler]

Guys,

For those of you who are actively involved in software projects, I was 
wondering how you go about giving your software project a version 
number. Specifically, how do you tag the version string in your code so 
that when you do something like

   myexecutable --version

then prints out the version number of the software. Are there methods 
within code repository tools like subversion or cvs which will fill in a 
string or something with a version number or tag string so that when you 
do a checkout, it automatically replaces the string? Or do you have to 
manually change a string constant within your code and then commit the 
change to the released version of the code?

Cheers. Steve.


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