Insert text into the line at the current cursor position.
See GNU Readline’s rl_insert_text function.
Raises NotImplementedError
if the using readline library does not support.
Combine two Adler-32 check values in to one. alder1
is the first Adler-32 value, adler2
is the second Adler-32 value. len2
is the length of the string used to generate adler2
.
Combine two CRC-32 check values in to one. crc1
is the first CRC-32 value, crc2
is the second CRC-32 value. len2
is the length of the string used to generate crc2
.
Returns the number of malloc() allocations.
Only available if ruby was built with CALC_EXACT_MALLOC_SIZE
.
Find
the full path to the executable for gem name
. If the exec_name
is not given, an exception will be raised, otherwise the specified executable’s path is returned. requirements
allows you to specify specific gem versions.
The mode needed to read a file as straight binary.
Returns a list of paths matching glob
that can be used by a gem to pick up features from other gems. For example:
Gem.find_files('rdoc/discover').each do |path| load path end
if check_load_path
is true (the default), then find_files
also searches $LOAD_PATH for files as well as gems.
Note that find_files
will return all files even if they are from different versions of the same gem. See also find_latest_files
Finds the user’s home directory.
The version of the Marshal
format for your Ruby.
Adds a post-install hook that will be passed an Gem::Installer
instance when Gem::Installer#install
is called
Adds a post-uninstall hook that will be passed a Gem::Uninstaller
instance and the spec that was uninstalled when Gem::Uninstaller#uninstall
is called
Adds a pre-install hook that will be passed an Gem::Installer
instance when Gem::Installer#install
is called. If the hook returns false
then the install will be aborted.
Adds a pre-uninstall hook that will be passed an Gem::Uninstaller
instance and the spec that will be uninstalled when Gem::Uninstaller#uninstall
is called
Safely read a file in binary mode on all platforms.
Safely write a file in binary mode on all platforms.
Is this a windows platform?
Find
the ‘rubygems_plugin’ files in the latest installed gems and load them
The default directory for binaries
A wrapper around RUBY_ENGINE const that may not be defined
Allows toggling Windows behavior. This method is available when requiring ‘rubygems/test_case’
Hard links a file system entry src
to dest
. If src
is a directory, this method links its contents recursively.
Both of src
and dest
must be a path name. src
must exist, dest
must not exist.
If dereference_root
is true, this method dereferences the tree root.
If remove_destination
is true, this method removes each destination file before copy.
Hard links a file system entry src
to dest
. If src
is a directory, this method links its contents recursively.
Both of src
and dest
must be a path name. src
must exist, dest
must not exist.
If dereference_root
is true, this method dereferences the tree root.
If remove_destination
is true, this method removes each destination file before copy.