$ ./bookbuilder
BookBuilder 1.0
This program is written by Marc-Philippe Huget
Email : Marc-Philippe.Huget@imag.fr

if you have comments or if you find bugs, send me an email

If you want help, just type help on command-line
file_in : 
file_out : 
file_tree_in : 
file_tree_out : 
Command ? help

BookBuilder 1.0
This program is written by Marc-Philippe Huget
Email : Marc-Philippe.Huget@imag.fr

if you have comments or if you find bugs, send me an email

Available Commands :
file_in           : name of the PGN file, you want to use in order to create a 
                    tree and a book
file_out          : name of the file where I store the book
file_tree_in      : name of the tree file if you want to load a tree
file_tree_out     : name of the tree file where I store the tree
load_tree         : loads a tree
build_book        : builds a book from a tree
build_tree        : builds a tree and only the tree 
help              : displays this screen
quit              : quits this program

You can also use command-line arguments 
1st argument : file_in
2nd argument : file_out
3rd argument : file_tree_in
4th argument : file_tree_out
Command ? quit
