source: trunk/essentials/sys-apps/gawk/test/argarray.awk

BEGIN {
        argn =  " argument" (ARGC > 1 ? "s" : "")
        are  = ARGC > 1 ? "are" : "is"
        print "here we have " ARGC argn
        print "which " are
        for (x = 0; x < ARGC; x++)
                print "\t", ARGV[x]
        print "Environment variable TEST=" ENVIRON["TEST"]
        print "and the current input file is called \"" FILENAME "\""
}

FNR == 1 {
        print "in main loop, this input file is known as \"" FILENAME "\""
}