- 1. ヘルプ
- 2. コマンドについてのヘルプ
1. ヘルプ
何しろヘルプの出し方もわからない。
> gem help
RubyGems is a sophisticated package manager for Ruby. This is a
basic help message containing pointers to more information.
Usage:
gem -h/--help
gem -v/--version
gem command [arguments...] [options...]
Examples:
gem install rake
gem list --local
gem build package.gemspec
gem help install
Further help:
gem help commands list all 'gem' commands
gem help examples show some examples of usage
gem help gem_dependencies gem dependencies file guide
gem help platforms gem platforms guide
gem help <COMMAND> show help on COMMAND
(e.g. 'gem help install')
gem server present a web page at
http://localhost:8808/
with info about installed gems
Further information:
http://guides.rubygems.org
2. コマンドについてのヘルプ
なるほど
gem help コマンド
で、コマンドに関するヘルプが出力されるわけだ。
search について見るとこうなっていました。
> gem help search
Usage: gem search [REGEXP] [options]
Options:
-i, --[no-]installed Check for installed gem
-I Equivalent to --no-installed
-v, --version VERSION Specify version of gem to search
for use with --installed
-d, --[no-]details Display detailed information of gem(s)
--[no-]versions Display only gem names
-a, --all Display all gem versions
-e, --exact Name of gem(s) to query on matches the
provided STRING
--[no-]prerelease Display prerelease versions
Deprecated Options:
-u, --[no-]update-sources Update local source cache
Local/Remote Options:
-l, --local Restrict operations to the LOCAL domain
-r, --remote Restrict operations to the REMOTE domain
-b, --both Allow LOCAL and REMOTE operations
-B, --bulk-threshold COUNT Threshold for switching to bulk
synchronization (default 1000)
--clear-sources Clear the gem sources
-s, --source URL Append URL to list of remote gem sources
-p, --[no-]http-proxy [URL] Use HTTP proxy for remote operations
Common Options:
-h, --help Get help on this command
-V, --[no-]verbose Set the verbose level of output
-q, --quiet Silence command progress meter
--silent Silence RubyGems output
--config-file FILE Use this config file instead of default
--backtrace Show stack backtrace on errors
--debug Turn on Ruby debugging
--norc Avoid loading any .gemrc file
Arguments:
REGEXP regexp to search for in gem name
Summary:
Display remote gems whose name matches REGEXP
Description:
The search command displays remote gems whose name matches the given
regexp.
The --details option displays additional details from the gem but will
take a little longer to complete as it must download the information
individually from the index.
To list local gems use the list command.
Defaults:
--remote --no-details
「search」する項目に関しては、「REGEX」と書いてあるので正規表現が使えるわけね。
|
