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

     1  {
     2  	x = "0x" $1 ; print x, x + 0
     3  	for (i=1; i<=NF; i++)
     4  		if ($i) print $i, "is not zero"
     5  }