> Since esyscmd() was added in the 1990's, m4 has not needed /very /much > improvement, merely maintenance.
which was, in some way, the sense of my question. the only missing part for m4 is a good tutorial to manage complex cases like for loops and so on. 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
