io.c: update ARGF examples

* io.c (argf_each_line, argf_inplace_mode_set): [DOC] Update ARGF
  documentation examples.  `ARGF.lines` has been deprecated in
  favor of `ARGF.each_line`.  [Fixes GH-615]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/io.c b/io.c
index 5499086448..18a0e2cb2e 100644
--- a/io.c
+++ b/io.c
@@ -11264,7 +11264,7 @@ argf_block_call(ID mid, int argc, VALUE *argv, VALUE argf)
  *  For example, the following code prints out each line of each named file
  *  prefixed with its line number, displaying the filename once per file:
  *
- *     ARGF.lines do |line|
+ *     ARGF.each_line do |line|
  *       puts ARGF.filename if ARGF.lineno == 1
  *       puts "#{ARGF.lineno}: #{line}"
  *     end
@@ -11632,7 +11632,7 @@ opt_i_get(ID id, VALUE *var)
  *      $ ruby argf.rb file.txt
  *
  *      ARGF.inplace_mode = '.bak'
- *      ARGF.lines do |line|
+ *      ARGF.each_line do |line|
  *        print line.sub("foo","bar")
  *      end
  *