plan9port

fork of plan9port with libvec, libstr and libsdb
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getneeds (205B)

      1 #!/bin/rc
      2 for (x in spec tag aux status) {
      3 	grep ' '^$x^' ' $1 > junk1
      4 	sort +4 -5 +3n -4 junk1 > junk2
      5 	awk '{if ($5 != prev) print $0; prev = $5}' junk2 > junk3
      6 	sort -n +2 -3 junk3 > need$x
      7 	rm junk*
      8 }