github.com/benhoyt/goawk@v1.8.1/testdata/gawk/uninit4.awk (about)

     1  # test whether --lint catches uninitialized fields:
     2  function pr()
     3  {
     4  	print
     5  }
     6  
     7  BEGIN {
     8  	pr()
     9  	print $0
    10  	print $(1-1)
    11  	print $1
    12  	NF=3; print $2
    13  }