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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-02-07 10:56:16 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-02-07 10:56:16 +0000 |
commit | 776206b3e7a1374e8517431c9f63745079b3b1bf (patch) | |
tree | ca6bc1031b6c0e103f7d78121380511fa0225bd7 /lib/irb/input-method.rb | |
parent | 7f55b0c39ec801aa852824bf8b10c2f741a148bf (diff) | |
download | ruby-776206b3e7a1374e8517431c9f63745079b3b1bf.tar.gz |
* lib/irb/init.rb (IRB.rc_files): yield possible rc file names.
* lib/irb/input-method.rb (IRB::ReadlineInputMethod::initialize):
load and save history automatically. [ruby-core:02352]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/irb/input-method.rb')
-rw-r--r-- | lib/irb/input-method.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb index ec834b17bc..d1fc83a975 100644 --- a/lib/irb/input-method.rb +++ b/lib/irb/input-method.rb @@ -85,12 +85,49 @@ module IRB require "readline" class ReadlineInputMethod < InputMethod include Readline + + def ReadlineInputMethod.create_finalizer(hist, file) + proc do + if num = IRB.conf[:SAVE_HISTORY] and (num = num.to_i) > 0 + if hf = IRB.conf[:HISTORY_FILE] + file = File.expand_path(hf) + end + if file + open(file, 'w' ) do |f| + hist = hist.to_a + f.puts(hist[-num..-1] || hist) + end + end + end + end + end + def initialize super @line_no = 0 @line = [] @eof = false + + loader = proc {|f| f.each {|l| HISTORY << l.chomp}} + if hist = IRB.conf[:HISTORY_FILE] + hist = File.expand_path(hist) + begin + open(hist, &loader) + rescue + end + else + IRB.rc_files("_history") do |hist| + begin + open(hist, &loader) + rescue + hist = nil + else + break + end + end + end + ObjectSpace.define_finalizer(self, ReadlineInputMethod.create_finalizer(HISTORY, hist)) end def gets |