Created
November 5, 2012 13:22
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Print list of child processes of a process using Ruby
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| ➜ pry | |
| [1] pry(main)> pid = Process.pid | |
| => 14683 | |
| [2] pry(main)> 5.times { fork { sleep 60 } } | |
| => 5 | |
| [3] pry(main)> puts `ps o pid,ppid= | grep #{pid}$`.split("\n").map{|line| line.split.first} | |
| 14707 | |
| 14708 | |
| 14709 | |
| 14710 | |
| 14711 | |
| 14712 | |
| => nil | |
| # Note: this includes the `grep` process, so prints 1 extra pid |
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