AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like
in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.@include getopt.awk
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk
AWK Language Programming, Edition 1.0, published by the Free Software Foundation, 1995.