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-rw-r--r--doc/io_streams.rdoc42
1 files changed, 20 insertions, 22 deletions
diff --git a/doc/io_streams.rdoc b/doc/io_streams.rdoc
index b686d67eb5..aab1b21b9c 100644
--- a/doc/io_streams.rdoc
+++ b/doc/io_streams.rdoc
@@ -76,7 +76,8 @@ An \IO stream has a nonnegative integer _position_,
which is the byte offset at which the next read or write is to occur;
the relevant methods:
-- +#tell+ (aliased as #pos): Returns the current position (in bytes) in the stream:
+- IO#tell (aliased as +#pos+):
+ Returns the current position (in bytes) in the stream:
f = File.new('t.txt')
f.tell # => 0
@@ -84,7 +85,7 @@ the relevant methods:
f.tell # => 12
f.close
-- +#pos=+: Sets the position of the stream (in bytes):
+- IO#pos=: Sets the position of the stream (in bytes):
f = File.new('t.txt')
f.tell # => 0
@@ -92,7 +93,7 @@ the relevant methods:
f.tell # => 20
f.close
-- +#seek+: Sets the position of the stream to a given integer +offset+
+- IO#seek: Sets the position of the stream to a given integer +offset+
(in bytes), with respect to a given constant +whence+, which is one of:
- +:CUR+ or <tt>IO::SEEK_CUR</tt>:
@@ -130,7 +131,7 @@ the relevant methods:
f.tell # => 40
f.close
-- +#rewind+: Positions the stream to the beginning:
+- IO#rewind: Positions the stream to the beginning:
f = File.new('t.txt')
f.tell # => 0
@@ -149,7 +150,7 @@ which are separated by an implicit or explicit line separator.
These methods are included (except as noted) in classes Kernel, IO, File,
and {ARGF}[rdoc-ref:ARGF]:
-- +#each_line+ - passes each line to the block; not in Kernel:
+- IO#each_line: Passes each line to the block; not in Kernel:
f = File.new('t.txt')
f.each_line {|line| p line }
@@ -173,7 +174,7 @@ and {ARGF}[rdoc-ref:ARGF]:
"rth line\n"
"Fifth line\n"
-- +#gets+ - returns the next line (which may begin mid-line):
+- IO#gets: Returns the next line (which may begin mid-line):
f = File.new('t.txt')
f.gets # => "First line\n"
@@ -183,10 +184,10 @@ and {ARGF}[rdoc-ref:ARGF]:
f.readlines # => ["Fifth line\n"]
f.gets # => nil
-- +#readline+ - like #gets, but raises an exception at end-of-file;
+- IO#readline: Like #gets, but raises an exception at end-of-file;
not in StringIO.
-- +#readlines+ - returns all remaining lines in an array;
+- IO#readlines: Returns all remaining lines in an array;
may begin mid-line:
f = File.new('t.txt')
@@ -304,11 +305,11 @@ Reading lines from a stream usually changes its line number:
Iterating over lines in a stream usually changes its line number:
- f = File.new('t.txt')
- f.each_line do |line|
- p "position=#{f.pos} eof?=#{f.eof?} lineno=#{f.lineno}"
- end
- f.close
+ f = File.new('t.txt')
+ f.each_line do |line|
+ p "position=#{f.pos} eof?=#{f.eof?} lineno=#{f.lineno}"
+ end
+ f.close
Output:
@@ -331,20 +332,17 @@ A new \IO stream may be open for reading, open for writing, or both.
You can close a stream using these methods:
-- +#close+ - closes the stream for both reading and writing.
-
-- +#close_read+ (not available in \ARGF) - closes the stream for reading.
-
-- +#close_write+ (not available in \ARGF) - closes the stream for writing.
+- IO#close: Closes the stream for both reading and writing.
+- IO#close_read (not available in \ARGF): Closes the stream for reading.
+- IO#close_write (not available in \ARGF): Closes the stream for writing.
You can query whether a stream is closed using these methods:
-- +#closed?+ - returns whether the stream is closed.
+- IO#closed?: Returns whether the stream is closed.
=== Stream End-of-File
You can query whether a stream is at end-of-file using this method:
-- +#eof?+ (also aliased as +#eof+) -
- returns whether the stream is at end-of-file.
-
+- IO#eof? (also aliased as +#eof+):
+ Returns whether the stream is at end-of-file.