Creates a temporary file as usual File
object (not Tempfile
). It doesn’t use finalizer and delegation.
If no block is given, this is similar to Tempfile.new
except creating File
instead of Tempfile
. The created file is not removed automatically. You should use File.unlink
to remove it.
If a block is given, then a File
object will be constructed, and the block is invoked with the object as the argument. The File
object will be automatically closed and the temporary file is removed after the block terminates. The call returns the value of the block.
In any case, all arguments (basename
, tmpdir
, mode
, and **options
) will be treated as Tempfile.new
.
Tempfile.create('foo', '/home/temp') do |f| # ... do something with f ... end
The string representation of true
is “true”.
The string representation of false
is “false”.
Returns internal information of TracePoint
.
The contents of the returned value are implementation specific. It may be changed in future.
This method is only for debugging TracePoint
itself.
Returns the unique identifier for this proc, along with an indication of where the proc was defined.
The reason this block was terminated: :break, :redo, :retry, :next, :return, or :noreason.
Returns a human-readable description of the underlying method.
"cat".method(:count).inspect #=> "#<Method: String#count>" (1..3).method(:map).inspect #=> "#<Method: Range(Enumerable)#map>"
In the latter case, the method description includes the “owner” of the original method (Enumerable
module, which is included into Range
).
Returns the bound receiver of the method object.
(1..3).method(:map).receiver # => 1..3
Returns a human-readable description of the underlying method.
"cat".method(:count).inspect #=> "#<Method: String#count>" (1..3).method(:map).inspect #=> "#<Method: Range(Enumerable)#map>"
In the latter case, the method description includes the “owner” of the original method (Enumerable
module, which is included into Range
).
Basically the same as ::new
. However, if class Thread
is subclassed, then calling start
in that subclass will not invoke the subclass’s initialize
method.
Basically the same as ::new
. However, if class Thread
is subclassed, then calling start
in that subclass will not invoke the subclass’s initialize
method.
Returns an array of Thread
objects for all threads that are either runnable or stopped.
Thread.new { sleep(200) } Thread.new { 1000000.times {|i| i*i } } Thread.new { Thread.stop } Thread.list.each {|t| p t}
This will produce:
#<Thread:0x401b3e84 sleep> #<Thread:0x401b3f38 run> #<Thread:0x401b3fb0 sleep> #<Thread:0x401bdf4c run>
Returns the priority of thr. Default is inherited from the current thread which creating the new thread, or zero for the initial main thread; higher-priority thread will run more frequently than lower-priority threads (but lower-priority threads can also run).
This is just hint for Ruby thread scheduler. It may be ignored on some platform.
Thread.current.priority #=> 0
Sets the priority of thr to integer. Higher-priority threads will run more frequently than lower-priority threads (but lower-priority threads can also run).
This is just hint for Ruby thread scheduler. It may be ignored on some platform.
count1 = count2 = 0 a = Thread.new do loop { count1 += 1 } end a.priority = -1 b = Thread.new do loop { count2 += 1 } end b.priority = -2 sleep 1 #=> 1 count1 #=> 622504 count2 #=> 5832
Returns the status of thr
.
"sleep"
Returned if this thread is sleeping or waiting on I/O
"run"
When this thread is executing
"aborting"
If this thread is aborting
false
When this thread is terminated normally
nil
If terminated with an exception.
a = Thread.new { raise("die now") } b = Thread.new { Thread.stop } c = Thread.new { Thread.exit } d = Thread.new { sleep } d.kill #=> #<Thread:0x401b3678 aborting> a.status #=> nil b.status #=> "sleep" c.status #=> false d.status #=> "aborting" Thread.current.status #=> "run"
Dump the name, id, and status of thr to a string.
Returns an array of all existing Thread
objects that belong to this group.
ThreadGroup::Default.list #=> [#<Thread:0x401bdf4c run>]
Wakes up all threads waiting for this lock.
Returns formatted message with the inspected tag.
Uses the character cmd
to perform various tests on file1
(first table below) or on file1
and file2
(second table).
File
tests on a single file:
Cmd Returns Meaning "A" | Time | Last access time for file1 "b" | boolean | True if file1 is a block device "c" | boolean | True if file1 is a character device "C" | Time | Last change time for file1 "d" | boolean | True if file1 exists and is a directory "e" | boolean | True if file1 exists "f" | boolean | True if file1 exists and is a regular file "g" | boolean | True if file1 has the \CF{setgid} bit | | set (false under NT) "G" | boolean | True if file1 exists and has a group | | ownership equal to the caller's group "k" | boolean | True if file1 exists and has the sticky bit set "l" | boolean | True if file1 exists and is a symbolic link "M" | Time | Last modification time for file1 "o" | boolean | True if file1 exists and is owned by | | the caller's effective uid "O" | boolean | True if file1 exists and is owned by | | the caller's real uid "p" | boolean | True if file1 exists and is a fifo "r" | boolean | True if file1 is readable by the effective | | uid/gid of the caller "R" | boolean | True if file is readable by the real | | uid/gid of the caller "s" | int/nil | If file1 has nonzero size, return the size, | | otherwise return nil "S" | boolean | True if file1 exists and is a socket "u" | boolean | True if file1 has the setuid bit set "w" | boolean | True if file1 exists and is writable by | | the effective uid/gid "W" | boolean | True if file1 exists and is writable by | | the real uid/gid "x" | boolean | True if file1 exists and is executable by | | the effective uid/gid "X" | boolean | True if file1 exists and is executable by | | the real uid/gid "z" | boolean | True if file1 exists and has a zero length
Tests that take two files:
"-" | boolean | True if file1 and file2 are identical "=" | boolean | True if the modification times of file1 | | and file2 are equal "<" | boolean | True if the modification time of file1 | | is prior to that of file2 ">" | boolean | True if the modification time of file1 | | is after that of file2
Equivalent to Kernel::gets
, except readline
raises EOFError
at end of file.
Returns an array containing the lines returned by calling Kernel.gets(sep)
until the end of file.
Registers filename to be loaded (using Kernel::require
) the first time that module (which may be a String
or a symbol) is accessed.
autoload(:MyModule, "/usr/local/lib/modules/my_module.rb")
Returns filename to be loaded if name is registered as autoload
.
autoload(:B, "b") autoload?(:B) #=> "b"