RE: [Jython-users] How to call external commands

[Brian Z. <bz...@ig...>]

Here's an extremely simple example (by no means production, but could
get you on your way):

"""
 Process the command.
"""

from java.lang import Runtime
from java.io import BufferedInputStream

p =3D Runtime.getRuntime().exec("ls")
#p.waitFor()
stream =3D BufferedInputStream(p.getInputStream())

e =3D []

r =3D stream.read()
while r !=3D -1:
 e.append(r)
 r =3D stream.read()

print "".join(map(chr, e))

Running it produces:

D:\home\development\python>jython process.py
HTTPSession$py.class
HTTPSession.py
__init__.py
a5.py
aar.py
acl.py
aioobe.py
ant.py
atl.py
caps.py
cont.py

brian


-----Original Message-----
From: jyt...@li...
[mailto:jyt...@li...]On Behalf Of John E.
Conlon
Sent: Monday, March 19, 2001 4:22 PM
To: jyt...@li...
Subject: [Jython-users] How to call external commands


Hi Jython users,

I would like to replace my bat and sh startup scripts with jython py
scripts.  But after experimentation I can not figure out how to call
external executables in my underlying system. =20

Have seen comments that the os.system(name) command is not yet
implemented.
 Is there any other way to launch external programs without the
os.system
command?

thanks for any suggestions,

John

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