Slashy strings in GroovyConsole

[Dmytro Shyshchenko <sh...@gmail.com>]

Long time ago I was using slashy strings in my groovy scripts for the paths
on Windows. Somehting like this:
def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\/

However in the recent versions, like 2.3.6 or 2.4.11, I can no longer
execute those scripts via a GroovyConsole. It always gave me an error
pointing to the last charecter of the script. Like this:
unexpected char: 0xFFFF at line: 19, column: 13
which was a bit misleading...

When I change the paths to a "normal" srtings, everything works fine, as it
was before.
def scriptDir = "C:\\Folder1\\My Documents\\Folder2\\Version\\etc\\"

Is it a bug? Shall I report it?

RE: Slashy strings in GroovyConsole

[Merlin Beedell <MB...@cryoserver.com>]

My preference is to use File (or Path) object whenever dealing with files – and then ONLY using forward slashes.  So for your request:
def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\/
becomes
def scriptDir = new File("C:/Folder1/My Documents/Folder2/Version/etc")
or (if you really wanted the path as a string)
def scriptDir = new File("C:/Folder1/My Documents/Folder2/Version/etc").absolutePath

I agree that copy-pasting file paths from File Explorer and then twiddling the slash direction is a bit tedious – but better than figuring out all that escaping!  I dare say that using a File object has overheads – but at least you can test if the file or directory exists. Iterate over the files etc. etc.

Adding pieces of a path or path and file name together, again use the File class:

def myScript = new File("C:/Folder1/My Scripts", "Script1.groovy")
def myScript = new File(scriptDir, "Script1.groovy")

It saves getting the System.properties['file.separator'] – and you can even ignore the drive letter (if it is on the current disk).
def myScript = new File("/Folder1/My Scripts", "Script1.groovy")

And yes – I use groovy rather a lot on Windows.

Merlin Beedell
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From: Joe Wolf [mailto:joewolf@gmail.com]
Sent: 14 June 2017 14:53
To: users@groovy.apache.org; Paul King <pa...@asert.com.au>
Subject: Re: Slashy strings in GroovyConsole

Also be careful when using slashy Strings with path names that start with a lowercase "u"

They'll get interpreted as a unicode character escape, e.g. /c:\users/ --> TokenStreamIOException: Did not find four digit hex character code.

(BTW, I'm glad to see there are other GroovyConsole users on Windows out there)

-Joe

On Wed, Jun 14, 2017 at 6:32 AM, Paul King <pa...@asert.com.au>> wrote:
What bo zhang said or use dollar slashy string.

Cheers, Paul.

On Wed, Jun 14, 2017 at 7:37 PM, bo zhang <zh...@gmail.com>> wrote:
def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\//

note the last slash. \/ is escaping /

On Wed, Jun 14, 2017 at 4:44 PM, Dmytro Shyshchenko <sh...@gmail.com>> wrote:
Long time ago I was using slashy strings in my groovy scripts for the paths on Windows. Somehting like this:
def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\/

However in the recent versions, like 2.3.6 or 2.4.11, I can no longer execute those scripts via a GroovyConsole. It always gave me an error pointing to the last charecter of the script. Like this:
unexpected char: 0xFFFF at line: 19, column: 13
which was a bit misleading...

When I change the paths to a "normal" srtings, everything works fine, as it was before.
def scriptDir = "C:\\Folder1\\My Documents\\Folder2\\Version\\etc\\"

Is it a bug? Shall I report it?





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Re: Slashy strings in GroovyConsole

[Joe Wolf <jo...@gmail.com>]

Also be careful when using slashy Strings with path names that start with a
lowercase "u"

They'll get interpreted as a unicode character escape, e.g. /c:\users/
--> TokenStreamIOException: Did not find four digit hex character code.

(BTW, I'm glad to see there are other GroovyConsole users on Windows out
there)

-Joe

On Wed, Jun 14, 2017 at 6:32 AM, Paul King <pa...@asert.com.au> wrote:

> What bo zhang said or use dollar slashy string.
>
> Cheers, Paul.
>
> On Wed, Jun 14, 2017 at 7:37 PM, bo zhang <zh...@gmail.com> wrote:
>
>> def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\//
>>
>> note the last slash. \/ is escaping /
>>
>> On Wed, Jun 14, 2017 at 4:44 PM, Dmytro Shyshchenko <shyschenko@gmail.com
>> > wrote:
>>
>>> Long time ago I was using slashy strings in my groovy scripts for the
>>> paths on Windows. Somehting like this:
>>> def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\/
>>>
>>> However in the recent versions, like 2.3.6 or 2.4.11, I can no longer
>>> execute those scripts via a GroovyConsole. It always gave me an error
>>> pointing to the last charecter of the script. Like this:
>>> unexpected char: 0xFFFF at line: 19, column: 13
>>> which was a bit misleading...
>>>
>>> When I change the paths to a "normal" srtings, everything works fine, as
>>> it was before.
>>> def scriptDir = "C:\\Folder1\\My Documents\\Folder2\\Version\\etc\\"
>>>
>>> Is it a bug? Shall I report it?
>>>
>>>
>>>
>>
>

Re: Slashy strings in GroovyConsole

[Paul King <pa...@asert.com.au>]

What bo zhang said or use dollar slashy string.

Cheers, Paul.

On Wed, Jun 14, 2017 at 7:37 PM, bo zhang <zh...@gmail.com> wrote:

> def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\//
>
> note the last slash. \/ is escaping /
>
> On Wed, Jun 14, 2017 at 4:44 PM, Dmytro Shyshchenko <sh...@gmail.com>
> wrote:
>
>> Long time ago I was using slashy strings in my groovy scripts for the
>> paths on Windows. Somehting like this:
>> def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\/
>>
>> However in the recent versions, like 2.3.6 or 2.4.11, I can no longer
>> execute those scripts via a GroovyConsole. It always gave me an error
>> pointing to the last charecter of the script. Like this:
>> unexpected char: 0xFFFF at line: 19, column: 13
>> which was a bit misleading...
>>
>> When I change the paths to a "normal" srtings, everything works fine, as
>> it was before.
>> def scriptDir = "C:\\Folder1\\My Documents\\Folder2\\Version\\etc\\"
>>
>> Is it a bug? Shall I report it?
>>
>>
>>
>

Re: Slashy strings in GroovyConsole

[bo zhang <zh...@gmail.com>]

def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\//

note the last slash. \/ is escaping /

On Wed, Jun 14, 2017 at 4:44 PM, Dmytro Shyshchenko <sh...@gmail.com>
wrote:

> Long time ago I was using slashy strings in my groovy scripts for the
> paths on Windows. Somehting like this:
> def scriptDir = /C:\Folder1\My Documents\Folder2\Version\etc\/
>
> However in the recent versions, like 2.3.6 or 2.4.11, I can no longer
> execute those scripts via a GroovyConsole. It always gave me an error
> pointing to the last charecter of the script. Like this:
> unexpected char: 0xFFFF at line: 19, column: 13
> which was a bit misleading...
>
> When I change the paths to a "normal" srtings, everything works fine, as
> it was before.
> def scriptDir = "C:\\Folder1\\My Documents\\Folder2\\Version\\etc\\"
>
> Is it a bug? Shall I report it?
>
>
>