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hist (--tail|--head) default to 10 with no argument.

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This commit is contained in:
Rob Gleeson 2011-05-15 11:50:00 +01:00
parent abbffcf94e
commit e4b7504b1a
1 changed files with 6 additions and 4 deletions
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8
lib/pry/default_commands/input.rb
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@ -19,7 +19,7 @@ class Pry
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 X] [--tail X] [--help]\n"
opt.banner "Usage: hist [--replay START..END] [--clear] [--grep PATTERN] [--head N] [--tail N] [--help]\n"
opt.on :g, :grep, 'A pattern to match against the history.', true do |pattern|
pattern = Regexp.new opts[:arg_string].split(/ /)[1]
@ -34,16 +34,18 @@ class Pry
stagger_output history.compact.join "\n"
end
opt.on :h, :head, 'Display the first X items of history', true, :as => Integer do |limit|
opt.on :h, :head, 'Display the first N items of history', :optional => true, :as => Integer do |limit|
unless opt.grep?
limit = 10 if limit.nil?
list = history.first limit
lines = text.with_line_numbers list.join("\n"), 0
stagger_output lines
end
end
opt.on :t, :tail, 'Display the last X items of history', true, :as => Integer do |limit|
opt.on :t, :tail, 'Display the last N items of history', :optional => true, :as => Integer do |limit|
unless opt.grep?
limit = 10 if limit.nil?
offset = history.size-limit
offset = offset < 0 ? 0 : offset