[EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> However, when the code in the string was actually
> qsubcmds = """
> echo
> cd %(cwd)s
> %(cmds) %(args)
> rm -f %(files)s
> """ % vars()
>
> in which %(cmd)s folks a subprocess, when this string was write to some
> pipe, e.g.:
>
> QSUB = Popen(qsubcmds, shell=True, stdin=PIPE)
> print >> QSUB.stdin, qsubcmds
> (or Popen.communicate(qsubcmds))
>
> the "rm -f " was not executed in my case.
Not sure why you are sending the mini shell script to itself on stdin?
That doesn't seem to make sense.
Come up with a simple example everyone can try and post it running in
an interactive python session. Here are my attempts to replicate your
problem.
This runs fine...
>>> from subprocess import *
>>> cmds="""echo one
... echo two
... echo three
... echo four
... """
>>>
>>> out = Popen(cmds, shell=True, stdin=PIPE)
>>> one
two
three
four
>>>
As does this using stdin
>>> cmds="""read A
... read B
... read C
... echo $C $B $A"""
>>> out = Popen(cmds, shell=True, stdin=PIPE)
>>> out.communicate("""one
... two
... three""")
three two one
(None, None)
>>>
--
Nick Craig-Wood <[EMAIL PROTECTED]> -- http://www.craig-wood.com/nick
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