Ah yes of course, thanks. Same as ruby.
On Tuesday, December 1, 2015 at 9:09:55 AM UTC+11, slide wrote:
>
> This is the behavior of the groovy language. Variables are interpolated in
> double quoted strings, but not in single quoted strings.
>
> On Mon, Nov 30, 2015 at 3:06 PM Michael Neale <michae...@gmail.com
> <javascript:>> wrote:
>
>> I would like some clarity on the different types of quotes in workflow
>> script. Take this contrived example:
>>
>> env.FOO = 42
>> def FOO2 = 43
>>
>> node {
>> sh 'echo $FOO'
>> sh "echo $FOO2"
>> }
>>
>> This works - as you would expect. However, if you switch the quotes
>> around, it fails. It seems single quote means that jenkins won't expand it
>> and instead it will be passed directly to the shell (whence the environment
>> variable is available). In the second shell script, the double quotes mean
>> that Jenkins expands it based on variables in scope. If you make it single
>> quote, there is no variable in the shell environment.
>>
>> Is this deliberate behavior, and have I understood it correctly?
>>
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