> But if I not space between AUTHORYEAR, how I should call m4 to do it? Thanks. 

 echo "AUTHOR\`'YEAR" |
    m4 -D AUTHOR=Shakespeare -D YEAR=1587 

regards 


-- 
Marc Chantreux (eiro on github and freenode)
http://eiro.github.com/
http://eiro.github.com/atom.xml
"Don't believe everything you read on the Internet"
    -- Abraham Lincoln

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