dirdif \ FTN \ ftn.txt        directory FTN contains:

ftn.txt
-------
              contents of directory FTN

dirdif.zip    
----------
              For handling simplicity, the FORTRAN source file
              has been split into four parts, which can be compiled
              individually; these files are obtained by unzip: 
   dirdif1.f   
   dirdif2.f   
   dirdif3.f   
   dirdif4.f   
              dirdif1.f +dirdif2.f +dirdif3.f +dirdif4.f = dirdif.f

              In addition, the unzip command delivers several files
              which are needed during compilation of dirdif; 
              these files are INCLUDE files: 
    Z*.inc        ( where * represents some 2-5 characters )

    ftn.txt       ( is also enclosed in the dirdif.zip file )

manual.zip
----------
              The unzip delivers the file manual.doc in WORD format.
              It is the source for the file manual.pdf witch is part
              of the distributed dirdif system. Updates in the doc file
              occur more frequent then in the pdf file.

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