Class: PS::ProcessList
- Inherits:
-
Object
show all
- Defined in:
- lib/ps/process_list.rb,
lib/ps/process_list_printer.rb
Defined Under Namespace
Classes: Printer
Instance Method Summary
collapse
Constructor Details
#initialize(target = nil) ⇒ ProcessList
Returns a new instance of ProcessList.
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# File 'lib/ps/process_list.rb', line 3
def initialize(target=nil)
@target = target || []
end
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(*args, &blk) ⇒ Object
Ugh shoot me for using method missing, couldn’t get it to work any other way.
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# File 'lib/ps/process_list.rb', line 77
def method_missing(*args, &blk)
new_target = @target.send(*args, &blk)
new_target.class == @target.class ? self.class.new(new_target) : new_target
end
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Instance Method Details
#choose(question = nil) ⇒ Object
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# File 'lib/ps/process_list.rb', line 31
def choose question=nil
if empty?
puts "No processes found."
return self
end
question ||= 'Select process(s):'
self.print
puts "\n#{question}"
proc_ids = STDIN.gets.chomp
proc_ids = '*' if proc_ids.empty?
proc_ids = proc_ids.split(/[,\s]/)
if proc_ids.include?('*')
proc_ids = (0..self.size).to_a
else
proc_ids = proc_ids.collect do |proc_id|
case proc_id
when /^\d+$/
proc_id.to_i
when /^(\d+)(\.{2,3})(\d*)$/
if $3.empty?
($1.to_i..self.size).to_a
elsif $2.size === 3
($1.to_i...$3.to_i).to_a
else
($1.to_i..$3.to_i).to_a
end
when /^(\d+)\-(\d+)$/
($1.to_i..$2.to_i).to_a
end
end.flatten.uniq
end
procs = self.class.new
proc_ids.each do |proc_id|
proc = @target[proc_id.to_i]
procs << proc
end
procs
end
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#command(regex) ⇒ Object
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# File 'lib/ps/process_list.rb', line 7
def command regex
grep(regex) {|proc| proc.command||proc.cmd}
end
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#over(val, amnt) ⇒ Object
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# File 'lib/ps/process_list.rb', line 15
def over val, amnt
find_all do |proc|
proc.__send__(val) >= amnt
end
end
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#pids ⇒ Object
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# File 'lib/ps/process_list.rb', line 11
def pids
@target.collect {|proc| proc.pid}.compact
end
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#print(headers = nil, to = nil) ⇒ Object
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# File 'lib/ps/process_list.rb', line 25
def print =nil, to=nil
to ||= STDOUT
printer = Printer.new(self,)
to.send :puts, printer.to_s
end
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#to_a ⇒ Object
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# File 'lib/ps/process_list.rb', line 21
def to_a
@target
end
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