Hi John
I tried to do this using lookup-word earlier, but with no success.
The execute( word was exactly what I was looking for.
Now everything work as expected.
Thanks for putting me in the right direction.
Best
Martin
Von: John Benediktsson [mailto:mrj...@gmail.com]
Gesendet: Dienstag, 24. Mai 2016 23:53
An: factor-talk@lists.sourceforge.net
Betreff: Re: [Factor-talk] Conditionally execute words in .factor-rc
Yes, a few different ways:
1) The entire file is parsed so if you have a word that is available in 0.98
but not in 0.97, you either have to call it dynamically:
"vm-version" "system" lookup-word execute( -- string )
or
2) Make separate files for 0.97 and 0.98, unfortunately we don't have good
version words prior to 0.98, but you could do something like this:
"vm-version" "system" lookup-word [
execute( -- string ) ".factor-rc-" prepend run-file
] [
".factor-rc-0.97" run-file
] if*
On Tue, May 24, 2016 at 12:19 PM, Martin Saurer <martin.sau...@bluewin.ch>
wrote:
Dear all,
Is there a way to conditionally execute words?
For example: In one image "fuel" is loaded. In another image "fuel" is not
loaded.
Or: In Factor 0.98 there is a word "vm-version". In Factor 0.97 there is no
such word.
Is it possible to write a .factor-rc startup file that handles different
environments and/or
Factor versions?
In Python I'm doing this the following way:
if sys.version_info[0] == 2:
from BaseHTTPServer import BaseHTTPRequestHandler
from BaseHTTPServer import HTTPServer
else:
from http.server import BaseHTTPRequestHandler
from http.server import HTTPServer
Many thanks in advance.
Martin
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