ok here is what I have

for (2005..2006) {
     system ("cal $_ > /tmp/file");
}
[download]

But how would I get this for individual months for instance in KSH for year in 2004 2005 2006 do for month in 1 2 3 4 5 6 7 8 9 10 11 12 do cal $year/$month