tcl script and absolute file locations

[Altera_Forum]

I use Altium and I have the following script for including a mega function, 

 set_global_assignment -name QIP_FILE FIR_LP.qip  the problem is that I have to place all the mega function generated files in the project directory. Can I add an absolute path e.g. C:\mega\FIR_LP.qip and does this mean Quartus will then search this directory for the mega function library. If so what is the exact syntax?

[Altera_Forum]

Most megafunctions create .qip files with relative paths. For example, if I do a PLL, the .qip has the following line in it: 

 set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) "mypll.v"]  So $::quartus(qip_path) is a variable on where the .qip file is, and mypll.v is then relative to that.

[Altera_Forum]

And you should be able to do exact paths: 

set_global_assignment -name QIP_FILE "C:/mega/FIR_LP.qip"