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added hist --save (no tests, but should be OK)

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This commit is contained in:
John Mair 2011-06-15 03:05:56 +12:00
parent 3da2c460a4
commit 4ecfdf7936
1 changed files with 35 additions and 3 deletions
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38
lib/pry/default_commands/input.rb
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@ -85,9 +85,10 @@ class Pry
end
command "hist", "Show and replay Readline history. Type `hist --help` for more info." do |*args|
Slop.parse(args) do |opt|
history = Readline::HISTORY.to_a
opt.banner "Usage: hist [--replay START..END] [--clear] [--grep PATTERN] [--head N] [--tail N] [--help]\n"
history = Readline::HISTORY.to_a
opts = Slop.parse!(args) do |opt|
opt.banner "Usage: hist [--replay START..END] [--clear] [--grep PATTERN] [--head N] [--tail N] [--help] [--save [START..END] file.txt]\n"
opt.on :g, :grep, 'A pattern to match against the history.', true do |pattern|
pattern = Regexp.new arg_string.split(/ /)[1]
@ -154,6 +155,8 @@ class Pry
Pry.active_instance.input = StringIO.new(actions)
end
opt.on "save", "Save history to a file. --save [start..end] output.txt. Pry commands are excluded from saved history.", true, :as => Range
opt.on :c, :clear, 'Clear the history', :unless => :grep do
Readline::HISTORY.shift until Readline::HISTORY.empty?
output.puts 'History cleared.'
@ -168,6 +171,35 @@ class Pry
stagger_output lines
end
end
# FIXME: hack to save history (this must be refactored)
if opts["save"]
file_name = nil
hist_array = nil
case opts["save"]
when Range
hist_array = Array(history[opts["save"]])
next output.puts "Must provide a file name." if !args.first
file_name = File.expand_path(args.first)
when String
hist_array = history
file_name = File.expand_path(opts["save"])
end
output.puts "Saving history in #{file_name} ..."
# exclude pry commands
hist_array.reject! do |element|
command_processor.valid_command?(element)
end
File.open(file_name, 'w') do |f|
f.write hist_array.join("\n")
end
output.puts "... history saved."
end
end
end