diff options
Diffstat (limited to 'lib/irb')
-rw-r--r-- | lib/irb/ext/save-history.rb | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/irb/ext/save-history.rb b/lib/irb/ext/save-history.rb index edc4f234cc..2d9808259d 100644 --- a/lib/irb/ext/save-history.rb +++ b/lib/irb/ext/save-history.rb @@ -109,7 +109,12 @@ module IRB open(history_file, "w:#{IRB.conf[:LC_MESSAGES].encoding}", 0600) do |f| hist = history.map{ |l| l.split("\n").join("\\\n") } - f.puts(hist[-num..-1] || hist) + begin + hist = hist.last(num) if hist.size > num + rescue RangeError # bignum too big to convert into `long' + # Do nothing because the bignum should be treated as inifinity + end + f.puts(hist) end end end |