如何在没有Web服务器的情况下从命令行执行ruby模板文件(ERB)? [英] How do I execute ruby template files (ERB) without a web server from command line?
问题描述
我需要 ERB (Ruby的模板系统)来模板化非HTML文件。
(相反,我想将其用于源文件,例如。 java,.cs,...)
如何从命令行执行 Ruby模板?
您应该在ruby / bin目录中拥有所需的一切。在我的(WinXP,Ruby 1.8.6)系统上,我有 ruby / bin / erb.bat
erb.bat [开关] [输入文件]
-x打印ruby脚本
-n打印行号为
的ruby脚本-v启用详细模式
-d将$ DEBUG设置为true
-r [库]加载库
-K [kcode]指定KANJI代码集
-S [safe_level]设置$ SAFE(0 .. 4)
-T [trim_mode]指定trim_mode(0..2,-)
-P忽略以%开头的行
所以 erb your_erb_file.erb
应该将结果写入STDOUT。
(编辑:Windows具有erb.bat,只是普通的 erb。.bat文件只是erb的包装,我想应该使同一命令在任何操作系统上的工作原理都差不多)
请参见 prag prog book 讨论(开始一个
还请注意,杰克·赫林顿(Jack Herrington)写了整本书有关使用Ruby / ERB的代码生成。
I need ERB (Ruby's templating system) for templating of non-HTML files.
(Instead, I want to use it for source files such as .java, .cs, ...)
How do I "execute" Ruby templates from command line?
You should have everything you need in your ruby/bin directory. On my (WinXP, Ruby 1.8.6) system, I have ruby/bin/erb.bat
erb.bat [switches] [inputfile]
-x print ruby script
-n print ruby script with line number
-v enable verbose mode
-d set $DEBUG to true
-r [library] load a library
-K [kcode] specify KANJI code-set
-S [safe_level] set $SAFE (0..4)
-T [trim_mode] specify trim_mode (0..2, -)
-P ignore lines which start with "%"
so erb your_erb_file.erb
should write the result to STDOUT.
(EDIT: windows has erb.bat and just plain "erb". The .bat file is just a wrapper for erb, which I guess should make the same command work pretty much the same on any OS)
See the prag prog book discussion (starts about half-way down the page).
Note also that Jack Herrington wrote a whole book about code generation that uses Ruby/ERB.
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