diagfi10.nc        
diagfi11.nc        
diagfi12.nc        

515              ! Starting sol of the run stored in the first input file?
sol              ! output timescale ("sol" or "Ls")
tsurf            
ps



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ABOVE is the list of inputs to be fed to "concatnc.e" if you don t want
to reply directly to the program: 

1) List of N files to be read  (N lines)
2) blank line at the end
3) Starting sol of the run stored in the first input file?
4) List of X variables to be kept (X lines) or 'all'
5) blank line at the end

The use is : 
> concatnc.e < concatnc.def