Running it gives:

$ mtxrun -script texworks -start
MTXrun | unable to locate TeXworks

Though I've texworks on my path:

$ which texworks 
/usr/bin/texworks

I found that the file.split_path(os.getenv("PATH")) call returns a table
with single member containing the full PATH variable (it assumes it is a
semicolon separated list, but on linux it is a colon separated list). 

Even after getting around this, the executable name it is looking for is
'TeXworks' while it should be 'texworks'.

Regards,
 Khaled


-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer