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AWK Script  |  1993-10-20  |  183 b   |  14 lines
  1. BEGIN {
  2.     if (ARGV[1]) print 1
  3.     ARGV[1] = ""
  4.     if (ARGV[2]) print 2
  5.     ARGV[2] = ""
  6.     if ("0") print "zero"
  7.     if ("") print "null"
  8.     if (0) print 0
  9. }
  10. {
  11.     if ($0) print $0
  12.     if ($1) print $1
  13. }
  14.