Still no joy with Activestate
here is my command line
Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.
C:\Users\Brook>cd C:\users\Brook\Documents\
C:\Users\Brook\Documents>perl C:\users\Brook\Documents\pdf2gerb.pl
Pdf2Gerb.pl 1.6h
This is EXPERIMENTAL software.
Gerber files MAY CONTAIN ERRORS. Please CHECK them before fabrication!
Usage: perl pdf2gerb.pl <top-copper.pdf> [<bottom-copper.pdf>] [<top-silk.pdf>]
On Windows, you may need to put "perl" at the start.
Output files will be placed in the current working folder.
C:\Users\Brook\Documents>perl C:\users\Brook\Documents\pdf2gerb.pl Demo-top.pdf
Demo-bottom.pdf Demo-silk.pdf
Pdf2Gerb.pl 1.6h
This is EXPERIMENTAL software.
Gerber files MAY CONTAIN ERRORS. Please CHECK them before fabrication!
processing file#1: Demo-top.pdf ...
processing file#2: Demo-bottom.pdf ...
processing file#3: Demo-silk.pdf ...
files processed: 3, layers: 3, src lines: 3, warnings: 0
pcb size is 0.000 x 0.000, origin at (0.000, 0.000) inches
total input stream size: 3K, processing time: 0.05 sec
-end-
And produces a sinle gerb file called demo-top-outline(OLN) that has no size or origin
pcb size is 0.000 x 0.000, origin at (0.000, 0.000) inches