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Mini Shell
--- !ruby/object:RI::ClassDescription
attributes:
- !ruby/object:RI::Attribute
comment:
- !ruby/struct:SM::Flow::P
body: Examine whether an option processing is failed.
name: error
rw: R
- !ruby/object:RI::Attribute
comment:
- !ruby/struct:SM::Flow::P
body: Return ordering.
name: ordering
rw: R
- !ruby/object:RI::Attribute
comment:
- !ruby/struct:SM::Flow::P
body: Set/Unset `quiet' mode.
name: quiet
rw: W
- !ruby/object:RI::Attribute
comment:
- !ruby/struct:SM::Flow::P
body: Return the flag of `quiet' mode.
name: quiet
rw: R
class_methods:
- !ruby/object:RI::MethodSummary
name: new
comment:
- !ruby/struct:SM::Flow::P
body: The GetoptLong class allows you to parse command line options similarly to the GNU getopt_long() C library call. Note, however, that GetoptLong is a pure Ruby implementation.
- !ruby/struct:SM::Flow::P
body: GetoptLong allows for POSIX-style options like <tt>--file</tt> as well as single letter options like <tt>-f</tt>
- !ruby/struct:SM::Flow::P
body: The empty option <tt>--</tt> (two minus symbols) is used to end option processing. This can be particularly important if options have optional arguments.
- !ruby/struct:SM::Flow::P
body: "Here is a simple example of usage:"
- !ruby/struct:SM::Flow::VERB
body: " # == Synopsis\n #\n # hello: greets user, demonstrates command line parsing\n #\n # == Usage\n #\n # hello [OPTION] ... DIR\n #\n # -h, --help:\n # show help\n #\n # --repeat x, -n x:\n # repeat x times\n #\n # --name [name]:\n # greet user by name, if name not supplied default is John\n #\n # DIR: The directory in which to issue the greeting.\n\n require 'getoptlong'\n require 'rdoc/usage'\n\n opts = GetoptLong.new(\n [ '--help', '-h', GetoptLong::NO_ARGUMENT ],\n [ '--repeat', '-n', GetoptLong::REQUIRED_ARGUMENT ],\n [ '--name', GetoptLong::OPTIONAL_ARGUMENT ]\n )\n\n dir = nil\n name = nil\n repetitions = 1\n opts.each do |opt, arg|\n case opt\n when '--help'\n RDoc::usage\n when '--repeat'\n repetitions = arg.to_i\n when '--name'\n if arg == ''\n name = 'John'\n else\n name = arg\n end\n end\n end\n\n if ARGV.length != 1\n puts "Missing dir argument (try --help)"\n exit 0\n end\n\n dir = ARGV.shift\n\n Dir.chdir(dir)\n for i in (1..repetitions)\n print "Hello"\n if name\n print ", #{name}"\n end\n puts\n end\n"
- !ruby/struct:SM::Flow::P
body: "Example command line:"
- !ruby/struct:SM::Flow::VERB
body: " hello -n 6 --name -- /tmp\n"
constants:
- !ruby/object:RI::Constant
comment:
- !ruby/struct:SM::Flow::P
body: Orderings.
name: ORDERINGS
value: "[REQUIRE_ORDER = 0, PERMUTE = 1, RETURN_IN_ORDER = 2]"
- !ruby/object:RI::Constant
comment:
- !ruby/struct:SM::Flow::P
body: Argument flags.
name: ARGUMENT_FLAGS
value: "[NO_ARGUMENT = 0, REQUIRED_ARGUMENT = 1, OPTIONAL_ARGUMENT = 2]"
- !ruby/object:RI::Constant
comment:
name: STATUS_TERMINATED
value: 0, 1, 2
full_name: GetoptLong
includes: []
instance_methods:
- !ruby/object:RI::MethodSummary
name: each
- !ruby/object:RI::MethodSummary
name: each_option
- !ruby/object:RI::MethodSummary
name: error_message
- !ruby/object:RI::MethodSummary
name: get
- !ruby/object:RI::MethodSummary
name: get_option
- !ruby/object:RI::MethodSummary
name: ordering=
- !ruby/object:RI::MethodSummary
name: set_error
- !ruby/object:RI::MethodSummary
name: set_options
- !ruby/object:RI::MethodSummary
name: terminate
- !ruby/object:RI::MethodSummary
name: terminated?
name: GetoptLong
superclass: Object
Zerion Mini Shell 1.0