github.com/benhoyt/goawk@v1.8.1/testdata/gawk/argarray.awk (about)

     1  BEGIN {
     2  	argn =  " argument" (ARGC > 1 ? "s" : "")
     3  	are  = ARGC > 1 ? "are" : "is"
     4  	print "here we have " ARGC argn
     5  	print "which " are
     6  	for (x = 0; x < ARGC; x++)
     7  		print "\t", ARGV[x]
     8  	print "Environment variable TEST=" ENVIRON["TEST"]
     9  	print "and the current input file is called \"" FILENAME "\""
    10  }
    11  
    12  FNR == 1 {
    13  	print "in main loop, this input file is known as \"" FILENAME "\""
    14  }