[Scons-users] parse error using $()

[Bill Deegan]

Is that with python3 or python2?

On Fri, Sep 29, 2017 at 4:12 PM, Noah Hoffman <noah.hoffman at gmail.com>
wrote:

> Hi,
>
> I've noticed a change in way that scons parses command strings in
> version 3.0 that results in an error. Here's a minimal example (with
> python 2.7.11 in a virtualenv):
>
> % cat SConstruct
> env = Environment(SHELL='bash')
>
> env.Command(
>     target='foo.txt',
>     source='SConstruct',
>     action='echo $$(pwd) > $TARGET',
> )
> % pip install 'scons<3.0'
> % scons --version
> SCons by Steven Knight et al.:
>         script: v2.5.1.rel_2.5.1:3735:9dc6cee5c168[MODIFIED],
> 2016/11/03 14:02:02, by bdbaddog on mongodog
> % scons
> scons: Reading SConscript files ...
> scons: done reading SConscript files.
> scons: Building targets ...
> scons: `.' is up to date.
> scons: done building targets.
> % pip install -U scons
> % scons --version
> SCons by Steven Knight et al.:
>         script: v3.0.0.rel_3.0.0:4395:8972f6a2f699[MODIFIED],
> 2017/09/18 13:28:16, by bdbaddog on ubuntu-16
> % scons
> scons: Reading SConscript files ...
> scons: done reading SConscript files.
> scons: Building targets ...
> scons: *** [foo.txt] Unbalanced $(/$) in: echo $(pwd) > foo.txt
> scons: building terminated because of errors.
>
> I tried various strategies for escaping the dollar signs and
> parentheses without success.
>
> Thanks for any help,
> Noah
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