清理本地磁盘快照

snapshots_clear.rb

#/bin/bash

#diskspace info
puts "Current Diskspace info:" 
puts "---------"
puts %x[df -lh /]

#list localsnapshots
puts "\n\n---------"
list = %x[tmutil listlocalsnapshots /]
puts list

#delete snapshots
puts "\n\n---------"
puts "Start delete snapshots:"
matches = list.scan(/\d{4}-\d{2}-\d{2}-\d{6}/)
matches.each_with_index{|snapshoot,index|
    puts "delete the listlocalsnapshots #{snapshoot}"
    sh = "tmutil deletelocalsnapshots #{snapshoot}"
    system(sh)
}

#diskspace info after delete snapshot
puts puts "\n\n---------"
puts "Diskspace info after delete snapshots:"
puts %x[df -lh /]