snap.missing (302B)
1 #!/bin/awk -f 2 BEGIN { 3 if (ARGC != 3) { 4 print "usage: snap.missing source destination" 5 exit 2 6 } 7 8 while ("snap.list " ARGV[1] "/" | getline) { 9 snapshots[$0] = 1 10 } 11 12 while ("snap.list " ARGV[2] "/" | getline) { 13 snapshots[$0] = 0 14 } 15 16 for (ts in snapshots) { 17 if (snapshots[ts]) print ts 18 } 19 }